[2/2] Run isort

diff --git a/gdb/python/lib/gdb/__init__.py b/gdb/python/lib/gdb/__init__.py
index 5b96605240e..3589117d411 100644
--- a/gdb/python/lib/gdb/__init__.py
+++ b/gdb/python/lib/gdb/__init__.py
@@ -13,11 +13,11 @@ 
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+import os
 import signal
+import sys
 import threading
 import traceback
-import os
-import sys
 from contextlib import contextmanager
 
 # Python 3 moved "reload"
@@ -27,11 +27,13 @@  else:
     from imp import reload
 
 # Note that two indicators are needed here to silence flake8.
-# isort: split
 from _gdb import *  # noqa: F401,F403
 
+# isort: split
+
 # Historically, gdb.events was always available, so ensure it's
 # still available without an explicit import.
+# isort: split
 import _gdbevents as events
 
 sys.modules["gdb.events"] = events
@@ -63,8 +65,8 @@  class _GdbFile(object):
         write(s, stream=self.stream)  # noqa: F405
 
 
-sys.stdout = _GdbFile(STDOUT)   # noqa: F405
-sys.stderr = _GdbFile(STDERR)   # noqa: F405
+sys.stdout = _GdbFile(STDOUT)  # noqa: F405
+sys.stderr = _GdbFile(STDERR)  # noqa: F405
 
 # Default prompt hook does nothing.
 prompt_hook = None
diff --git a/gdb/python/lib/gdb/command/frame_filters.py b/gdb/python/lib/gdb/command/frame_filters.py
index d774e194fba..4e1b3208d0e 100644
--- a/gdb/python/lib/gdb/command/frame_filters.py
+++ b/gdb/python/lib/gdb/command/frame_filters.py
@@ -17,6 +17,7 @@ 
 """GDB commands for working with frame-filters."""
 
 import sys
+
 import gdb
 import gdb.frames
 
diff --git a/gdb/python/lib/gdb/command/missing_debug.py b/gdb/python/lib/gdb/command/missing_debug.py
index 9a55e1822f5..313b88cf8c3 100644
--- a/gdb/python/lib/gdb/command/missing_debug.py
+++ b/gdb/python/lib/gdb/command/missing_debug.py
@@ -15,9 +15,10 @@ 
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import gdb
 import re
 
+import gdb
+
 
 def validate_regexp(exp, idstring):
     """Compile exp into a compiler regular expression object.
diff --git a/gdb/python/lib/gdb/command/pretty_printers.py b/gdb/python/lib/gdb/command/pretty_printers.py
index 6a938ed8fcd..cb9b9f35f9f 100644
--- a/gdb/python/lib/gdb/command/pretty_printers.py
+++ b/gdb/python/lib/gdb/command/pretty_printers.py
@@ -17,9 +17,10 @@ 
 """GDB commands for working with pretty-printers."""
 
 import copy
-import gdb
 import re
 
+import gdb
+
 
 def parse_printer_regexps(arg):
     """Internal utility to parse a pretty-printer command argv.
diff --git a/gdb/python/lib/gdb/command/type_printers.py b/gdb/python/lib/gdb/command/type_printers.py
index 339f5aac6a2..a2be226850d 100644
--- a/gdb/python/lib/gdb/command/type_printers.py
+++ b/gdb/python/lib/gdb/command/type_printers.py
@@ -15,6 +15,7 @@ 
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import copy
+
 import gdb
 
 """GDB commands for working with type-printers."""
diff --git a/gdb/python/lib/gdb/command/unwinders.py b/gdb/python/lib/gdb/command/unwinders.py
index 886287f8794..b863b333aa0 100644
--- a/gdb/python/lib/gdb/command/unwinders.py
+++ b/gdb/python/lib/gdb/command/unwinders.py
@@ -14,9 +14,10 @@ 
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import gdb
 import re
 
+import gdb
+
 
 def validate_regexp(exp, idstring):
     try:
diff --git a/gdb/python/lib/gdb/command/xmethods.py b/gdb/python/lib/gdb/command/xmethods.py
index fe310b7787e..f7862271858 100644
--- a/gdb/python/lib/gdb/command/xmethods.py
+++ b/gdb/python/lib/gdb/command/xmethods.py
@@ -14,9 +14,10 @@ 
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import gdb
 import re
 
+import gdb
+
 """GDB commands for working with xmethods."""
 
 
diff --git a/gdb/python/lib/gdb/dap/__init__.py b/gdb/python/lib/gdb/dap/__init__.py
index 81d435e742f..51b95468a70 100644
--- a/gdb/python/lib/gdb/dap/__init__.py
+++ b/gdb/python/lib/gdb/dap/__init__.py
@@ -16,26 +16,27 @@ 
 import os
 
 # This must come before other DAP imports.
-# isort: split
 from . import startup
 
+# isort: split
+
 # Load modules that define commands.  These imports intentionally
 # ignore the unused import warning, as these modules are being loaded
 # for their side effects -- namely, registering DAP commands with the
 # server object.  "F401" is the flake8 "imported but unused" code.
-from . import breakpoint        # noqa: F401
-from . import bt                # noqa: F401
-from . import disassemble       # noqa: F401
-from . import evaluate          # noqa: F401
-from . import launch            # noqa: F401
-from . import locations         # noqa: F401
-from . import memory            # noqa: F401
-from . import modules           # noqa: F401
-from . import next              # noqa: F401
-from . import pause             # noqa: F401
-from . import scopes            # noqa: F401
-from . import sources           # noqa: F401
-from . import threads           # noqa: F401
+from . import breakpoint  # noqa: F401
+from . import bt  # noqa: F401
+from . import disassemble  # noqa: F401
+from . import evaluate  # noqa: F401
+from . import launch  # noqa: F401
+from . import locations  # noqa: F401
+from . import memory  # noqa: F401
+from . import modules  # noqa: F401
+from . import next  # noqa: F401
+from . import pause  # noqa: F401
+from . import scopes  # noqa: F401
+from . import sources  # noqa: F401
+from . import threads  # noqa: F401
 
 # isort: split
 from .server import Server
diff --git a/gdb/python/lib/gdb/dap/breakpoint.py b/gdb/python/lib/gdb/dap/breakpoint.py
index b4fb1127c2d..b2e74277ebd 100644
--- a/gdb/python/lib/gdb/dap/breakpoint.py
+++ b/gdb/python/lib/gdb/dap/breakpoint.py
@@ -13,21 +13,20 @@ 
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import gdb
 import os
 import re
-
 from contextlib import contextmanager
 
 # These are deprecated in 3.9, but required in older versions.
 from typing import Optional, Sequence
 
-from .server import request, capability, send_event
+import gdb
+
+from .server import capability, request, send_event
 from .sources import make_source
-from .startup import in_gdb_thread, log_stack, parse_and_eval, LogLevel, DAPException
+from .startup import DAPException, LogLevel, in_gdb_thread, log_stack, parse_and_eval
 from .typecheck import type_check
 
-
 # True when suppressing new breakpoint events.
 _suppress_bp = False
 
diff --git a/gdb/python/lib/gdb/dap/bt.py b/gdb/python/lib/gdb/dap/bt.py
index d65ce5fcc2a..e0c2e2a1751 100644
--- a/gdb/python/lib/gdb/dap/bt.py
+++ b/gdb/python/lib/gdb/dap/bt.py
@@ -13,16 +13,17 @@ 
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import gdb
 import os
 
 # This is deprecated in 3.9, but required in older versions.
 from typing import Optional
 
+import gdb
+
 from .frames import dap_frame_generator
 from .modules import module_id
 from .scopes import symbol_value
-from .server import request, capability
+from .server import capability, request
 from .sources import make_source
 from .startup import in_gdb_thread
 from .state import set_thread
diff --git a/gdb/python/lib/gdb/dap/disassemble.py b/gdb/python/lib/gdb/dap/disassemble.py
index a7825289899..65bf3d4457b 100644
--- a/gdb/python/lib/gdb/dap/disassemble.py
+++ b/gdb/python/lib/gdb/dap/disassemble.py
@@ -15,7 +15,7 @@ 
 
 import gdb
 
-from .server import request, capability
+from .server import capability, request
 
 
 @request("disassemble")
diff --git a/gdb/python/lib/gdb/dap/evaluate.py b/gdb/python/lib/gdb/dap/evaluate.py
index 62519a55521..34843f423d8 100644
--- a/gdb/python/lib/gdb/dap/evaluate.py
+++ b/gdb/python/lib/gdb/dap/evaluate.py
@@ -13,15 +13,15 @@ 
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import gdb
-
 # This is deprecated in 3.9, but required in older versions.
 from typing import Optional
 
+import gdb
+
 from .frames import select_frame
-from .server import capability, request, client_bool_capability
-from .startup import in_gdb_thread, parse_and_eval, DAPException
-from .varref import find_variable, VariableReference, apply_format
+from .server import capability, client_bool_capability, request
+from .startup import DAPException, in_gdb_thread, parse_and_eval
+from .varref import VariableReference, apply_format, find_variable
 
 
 class EvaluateResult(VariableReference):
diff --git a/gdb/python/lib/gdb/dap/events.py b/gdb/python/lib/gdb/dap/events.py
index 928f23fd3ff..276d3145b9a 100644
--- a/gdb/python/lib/gdb/dap/events.py
+++ b/gdb/python/lib/gdb/dap/events.py
@@ -15,11 +15,10 @@ 
 
 import gdb
 
+from .modules import is_module, make_module
 from .scopes import set_finish_value
 from .server import send_event
 from .startup import exec_and_log, in_gdb_thread, log
-from .modules import is_module, make_module
-
 
 # True when the inferior is thought to be running, False otherwise.
 # This may be accessed from any thread, which can be racy.  However,
diff --git a/gdb/python/lib/gdb/dap/frames.py b/gdb/python/lib/gdb/dap/frames.py
index 161c84b025b..07a4e3ea793 100644
--- a/gdb/python/lib/gdb/dap/frames.py
+++ b/gdb/python/lib/gdb/dap/frames.py
@@ -13,14 +13,13 @@ 
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import gdb
 import itertools
 
+import gdb
 from gdb.frames import frame_iterator
 
 from .startup import in_gdb_thread
 
-
 # A list of all the frames we've reported.  A frame's index in the
 # list is its ID.  We don't use a hash here because frames are not
 # hashable.
diff --git a/gdb/python/lib/gdb/dap/io.py b/gdb/python/lib/gdb/dap/io.py
index bbf822d60bf..03031a72393 100644
--- a/gdb/python/lib/gdb/dap/io.py
+++ b/gdb/python/lib/gdb/dap/io.py
@@ -15,7 +15,7 @@ 
 
 import json
 
-from .startup import start_thread, log, log_stack, LogLevel
+from .startup import LogLevel, log, log_stack, start_thread
 
 
 def read_json(stream):
diff --git a/gdb/python/lib/gdb/dap/launch.py b/gdb/python/lib/gdb/dap/launch.py
index 6783d999621..2674e02eac3 100644
--- a/gdb/python/lib/gdb/dap/launch.py
+++ b/gdb/python/lib/gdb/dap/launch.py
@@ -13,14 +13,14 @@ 
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import gdb
-
 # These are deprecated in 3.9, but required in older versions.
 from typing import Mapping, Optional, Sequence
 
+import gdb
+
 from .events import exec_and_expect_stop, expect_process, expect_stop
-from .server import request, capability
-from .startup import exec_and_log, DAPException
+from .server import capability, request
+from .startup import DAPException, exec_and_log
 
 
 # Any parameters here are necessarily extensions -- DAP requires this
diff --git a/gdb/python/lib/gdb/dap/locations.py b/gdb/python/lib/gdb/dap/locations.py
index 098091b4b42..92e68f5e235 100644
--- a/gdb/python/lib/gdb/dap/locations.py
+++ b/gdb/python/lib/gdb/dap/locations.py
@@ -13,11 +13,11 @@ 
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import gdb
-
 # This is deprecated in 3.9, but required in older versions.
 from typing import Optional
 
+import gdb
+
 from .server import capability, request
 from .sources import decode_source
 
diff --git a/gdb/python/lib/gdb/dap/memory.py b/gdb/python/lib/gdb/dap/memory.py
index 19a61d63499..dd62b0e7ba6 100644
--- a/gdb/python/lib/gdb/dap/memory.py
+++ b/gdb/python/lib/gdb/dap/memory.py
@@ -14,9 +14,10 @@ 
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import base64
+
 import gdb
 
-from .server import request, capability
+from .server import capability, request
 
 
 @request("readMemory")
diff --git a/gdb/python/lib/gdb/dap/scopes.py b/gdb/python/lib/gdb/dap/scopes.py
index be2c382b40b..8cd860141d6 100644
--- a/gdb/python/lib/gdb/dap/scopes.py
+++ b/gdb/python/lib/gdb/dap/scopes.py
@@ -16,11 +16,10 @@ 
 import gdb
 
 from .frames import frame_for_id
-from .startup import in_gdb_thread
 from .server import request
+from .startup import in_gdb_thread
 from .varref import BaseReference
 
-
 # Map DAP frame IDs to scopes.  This ensures that scopes are re-used.
 frame_to_scope = {}
 
diff --git a/gdb/python/lib/gdb/dap/server.py b/gdb/python/lib/gdb/dap/server.py
index 70646f4d75c..7eb87177710 100644
--- a/gdb/python/lib/gdb/dap/server.py
+++ b/gdb/python/lib/gdb/dap/server.py
@@ -14,29 +14,29 @@ 
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import functools
-import gdb
 import heapq
 import inspect
 import json
 import threading
 from contextlib import contextmanager
 
-from .io import start_json_writer, read_json
+import gdb
+
+from .io import read_json, start_json_writer
 from .startup import (
-    exec_and_log,
     DAPException,
     DAPQueue,
+    LogLevel,
+    exec_and_log,
     in_dap_thread,
     in_gdb_thread,
-    start_thread,
     log,
     log_stack,
-    LogLevel,
+    start_thread,
     thread_log,
 )
 from .typecheck import type_check
 
-
 # Map capability names to values.
 _capabilities = {}
 
diff --git a/gdb/python/lib/gdb/dap/sources.py b/gdb/python/lib/gdb/dap/sources.py
index c9b77208145..ee3464db679 100644
--- a/gdb/python/lib/gdb/dap/sources.py
+++ b/gdb/python/lib/gdb/dap/sources.py
@@ -17,9 +17,8 @@  import os
 
 import gdb
 
-from .server import request, capability
-from .startup import in_gdb_thread, DAPException
-
+from .server import capability, request
+from .startup import DAPException, in_gdb_thread
 
 # The next available source reference ID.  Must be greater than 0.
 _next_source = 1
diff --git a/gdb/python/lib/gdb/dap/startup.py b/gdb/python/lib/gdb/dap/startup.py
index aaf1e8cd657..58591c00b97 100644
--- a/gdb/python/lib/gdb/dap/startup.py
+++ b/gdb/python/lib/gdb/dap/startup.py
@@ -16,14 +16,14 @@ 
 # Do not import other gdbdap modules here -- this module must come
 # first.
 import functools
-import gdb
 import queue
+import sys
 import threading
 import traceback
-import sys
-
 from enum import IntEnum, auto
 
+import gdb
+
 # Adapt to different Queue types.  This is exported for use in other
 # modules as well.
 if sys.version_info[0] == 3 and sys.version_info[1] <= 6:
diff --git a/gdb/python/lib/gdb/dap/state.py b/gdb/python/lib/gdb/dap/state.py
index 9cb703157de..57ae355f45e 100644
--- a/gdb/python/lib/gdb/dap/state.py
+++ b/gdb/python/lib/gdb/dap/state.py
@@ -13,7 +13,7 @@ 
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-from .startup import in_gdb_thread, exec_and_log, log
+from .startup import exec_and_log, in_gdb_thread, log
 
 
 @in_gdb_thread
diff --git a/gdb/python/lib/gdb/dap/varref.py b/gdb/python/lib/gdb/dap/varref.py
index e413e4e8043..57e84a1676e 100644
--- a/gdb/python/lib/gdb/dap/varref.py
+++ b/gdb/python/lib/gdb/dap/varref.py
@@ -13,13 +13,14 @@ 
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import gdb
-from .startup import in_gdb_thread, DAPException
-from .server import client_bool_capability
 from abc import ABC, abstractmethod
 from collections import defaultdict
 from contextlib import contextmanager
 
+import gdb
+
+from .server import client_bool_capability
+from .startup import DAPException, in_gdb_thread
 
 # A list of all the variable references created during this pause.
 all_variables = []
diff --git a/gdb/python/lib/gdb/disassembler.py b/gdb/python/lib/gdb/disassembler.py
index af7dcc5f6a8..72d311b117f 100644
--- a/gdb/python/lib/gdb/disassembler.py
+++ b/gdb/python/lib/gdb/disassembler.py
@@ -15,7 +15,6 @@ 
 
 """Disassembler related module."""
 
-import gdb
 import _gdb.disassembler
 
 # Re-export everything from the _gdb.disassembler module, which is
@@ -23,6 +22,8 @@  import _gdb.disassembler
 # here to silence flake8.
 from _gdb.disassembler import *  # noqa: F401,F403
 
+import gdb
+
 # Module global dictionary of gdb.disassembler.Disassembler objects.
 # The keys of this dictionary are bfd architecture names, or the
 # special value None.
diff --git a/gdb/python/lib/gdb/frames.py b/gdb/python/lib/gdb/frames.py
index 44f3217b8f8..a3be80c72a0 100644
--- a/gdb/python/lib/gdb/frames.py
+++ b/gdb/python/lib/gdb/frames.py
@@ -16,11 +16,12 @@ 
 
 """Internal functions for working with frame-filters."""
 
+import collections
+import itertools
+
 import gdb
+from gdb.FrameDecorator import DAPFrameDecorator, FrameDecorator
 from gdb.FrameIterator import FrameIterator
-from gdb.FrameDecorator import FrameDecorator, DAPFrameDecorator
-import itertools
-import collections
 
 
 def get_priority(filter_item):
diff --git a/gdb/python/lib/gdb/function/caller_is.py b/gdb/python/lib/gdb/function/caller_is.py
index eb87c23740b..bacd8c0ef8b 100644
--- a/gdb/python/lib/gdb/function/caller_is.py
+++ b/gdb/python/lib/gdb/function/caller_is.py
@@ -14,9 +14,10 @@ 
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import gdb
 import re
 
+import gdb
+
 
 class CallerIs(gdb.Function):
     """Check the calling function's name.
diff --git a/gdb/python/lib/gdb/function/strfns.py b/gdb/python/lib/gdb/function/strfns.py
index 42e5b9cd35b..90c9ceab867 100644
--- a/gdb/python/lib/gdb/function/strfns.py
+++ b/gdb/python/lib/gdb/function/strfns.py
@@ -16,9 +16,10 @@ 
 
 """$_memeq, $_strlen, $_streq, $_regex"""
 
-import gdb
 import re
 
+import gdb
+
 
 class _MemEq(gdb.Function):
     """$_memeq - compare bytes of memory.
diff --git a/gdb/python/lib/gdb/missing_debug.py b/gdb/python/lib/gdb/missing_debug.py
index 3093a9ffe4c..6d57462c185 100644
--- a/gdb/python/lib/gdb/missing_debug.py
+++ b/gdb/python/lib/gdb/missing_debug.py
@@ -17,9 +17,10 @@ 
 MissingDebugHandler base class, and register_handler function.
 """
 
-import gdb
 import sys
 
+import gdb
+
 if sys.version_info >= (3, 7):
     # Functions str.isascii() and str.isalnum are available starting Python
     # 3.7.
@@ -32,7 +33,7 @@  if sys.version_info >= (3, 7):
 else:
     # Fall back to curses.ascii.isascii() and curses.ascii.isalnum() for
     # earlier versions.
-    from curses.ascii import isascii, isalnum
+    from curses.ascii import isalnum, isascii
 
 
 def _validate_name(name):
diff --git a/gdb/python/lib/gdb/printing.py b/gdb/python/lib/gdb/printing.py
index d7933e9df76..55ba43585ec 100644
--- a/gdb/python/lib/gdb/printing.py
+++ b/gdb/python/lib/gdb/printing.py
@@ -16,11 +16,12 @@ 
 
 """Utilities for working with pretty-printers."""
 
-import gdb
-import gdb.types
 import itertools
 import re
 
+import gdb
+import gdb.types
+
 
 class PrettyPrinter(object):
     """A basic pretty-printer.
diff --git a/gdb/python/lib/gdb/prompt.py b/gdb/python/lib/gdb/prompt.py
index 02185b353df..4ad38e4567a 100644
--- a/gdb/python/lib/gdb/prompt.py
+++ b/gdb/python/lib/gdb/prompt.py
@@ -16,9 +16,10 @@ 
 
 """ Extended prompt library functions."""
 
-import gdb
 import os
 
+import gdb
+
 
 def _prompt_pwd(ignore):
     "The current working directory."
diff --git a/gdb/python/lib/gdb/styling.py b/gdb/python/lib/gdb/styling.py
index 8e5d64f15d9..1c5394e479b 100644
--- a/gdb/python/lib/gdb/styling.py
+++ b/gdb/python/lib/gdb/styling.py
@@ -19,9 +19,9 @@ 
 import gdb
 
 try:
-    from pygments import formatters, lexers, highlight
-    from pygments.token import Error, Comment, Text
+    from pygments import formatters, highlight, lexers
     from pygments.filters import TokenMergeFilter
+    from pygments.token import Comment, Error, Text
 
     _formatter = None
 
diff --git a/gdb/python/lib/gdb/xmethod.py b/gdb/python/lib/gdb/xmethod.py
index ea7b15c4dac..c98402d271f 100644
--- a/gdb/python/lib/gdb/xmethod.py
+++ b/gdb/python/lib/gdb/xmethod.py
@@ -16,9 +16,10 @@ 
 
 """Utilities for defining xmethods"""
 
-import gdb
 import re
 
+import gdb
+
 
 class XMethod(object):
     """Base class (or a template) for an xmethod description.
diff --git a/gdb/python/python-config.py b/gdb/python/python-config.py
index e89e0fd40bb..061eae1ac64 100644
--- a/gdb/python/python-config.py
+++ b/gdb/python/python-config.py
@@ -1,9 +1,9 @@ 
 # Program to fetch python compilation parameters.
 # Copied from python-config of the 2.7 release.
 
-import sys
-import os
 import getopt
+import os
+import sys
 import sysconfig
 
 valid_opts = ["prefix", "exec-prefix", "includes", "libs", "cflags", "ldflags", "help"]
diff --git a/gdb/syscalls/arm-linux.py b/gdb/syscalls/arm-linux.py
index 8213f5ce33d..a3f64d0a825 100644
--- a/gdb/syscalls/arm-linux.py
+++ b/gdb/syscalls/arm-linux.py
@@ -5,8 +5,8 @@ 
 # notice and this notice are preserved.  This file is offered as-is,
 # without any warranty.
 
-import sys
 import re
+import sys
 import time
 
 infname = sys.argv[1]
diff --git a/gdb/system-gdbinit/elinos.py b/gdb/system-gdbinit/elinos.py
index bd9d4630438..da82687a76f 100644
--- a/gdb/system-gdbinit/elinos.py
+++ b/gdb/system-gdbinit/elinos.py
@@ -15,8 +15,9 @@ 
 
 """Configure GDB using the ELinOS environment."""
 
-import os
 import glob
+import os
+
 import gdb
 
 
diff --git a/gdb/testsuite/analyze-racy-logs.py b/gdb/testsuite/analyze-racy-logs.py
index bd548e23a31..152490e7686 100755
--- a/gdb/testsuite/analyze-racy-logs.py
+++ b/gdb/testsuite/analyze-racy-logs.py
@@ -29,9 +29,9 @@ 
 # This program is invoked when the user runs "make check" and
 # specifies the RACY_ITER environment variable.
 
-import sys
 import os
 import re
+import sys
 
 # The (global) dictionary that stores the associations between a *.sum
 # file and its results.  The data inside it will be stored as:
diff --git a/gdb/testsuite/gdb.ada/pp-rec-component.py b/gdb/testsuite/gdb.ada/pp-rec-component.py
index 339e4a362a3..3d398125e06 100644
--- a/gdb/testsuite/gdb.ada/pp-rec-component.py
+++ b/gdb/testsuite/gdb.ada/pp-rec-component.py
@@ -14,6 +14,7 @@ 
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 from time import asctime, gmtime
+
 import gdb  # silence pyflakes
 
 
diff --git a/gdb/testsuite/gdb.base/pc-not-saved.py b/gdb/testsuite/gdb.base/pc-not-saved.py
index 2e19da80b3f..8090858895e 100644
--- a/gdb/testsuite/gdb.base/pc-not-saved.py
+++ b/gdb/testsuite/gdb.base/pc-not-saved.py
@@ -14,7 +14,7 @@ 
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import gdb
-from gdb.unwinder import Unwinder, FrameId
+from gdb.unwinder import FrameId, Unwinder
 
 # Cached FrameId.  See set_break_bt_here_frame_id for details.
 break_bt_here_frame_id = None
diff --git a/gdb/testsuite/gdb.dap/stack-format.py b/gdb/testsuite/gdb.dap/stack-format.py
index 12c6cc473e5..b7799f41dac 100644
--- a/gdb/testsuite/gdb.dap/stack-format.py
+++ b/gdb/testsuite/gdb.dap/stack-format.py
@@ -14,9 +14,9 @@ 
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
-import gdb
 import itertools
 
+import gdb
 from gdb.FrameDecorator import DAPFrameDecorator
 
 
diff --git a/gdb/testsuite/gdb.dap/type_check.py b/gdb/testsuite/gdb.dap/type_check.py
index 513995b5571..81b106a595f 100644
--- a/gdb/testsuite/gdb.dap/type_check.py
+++ b/gdb/testsuite/gdb.dap/type_check.py
@@ -16,6 +16,7 @@ 
 # Test the type checker.
 
 import typing
+
 from gdb.dap.typecheck import type_check
 
 
diff --git a/gdb/testsuite/gdb.perf/gmonster-null-lookup.py b/gdb/testsuite/gdb.perf/gmonster-null-lookup.py
index b6cbcf3e825..0d5ba768843 100644
--- a/gdb/testsuite/gdb.perf/gmonster-null-lookup.py
+++ b/gdb/testsuite/gdb.perf/gmonster-null-lookup.py
@@ -17,9 +17,7 @@ 
 # Efficient handling of this case is important, and not just for typos.
 # Sometimes the debug info for the needed object isn't present.
 
-from perftest import perftest
-from perftest import measure
-from perftest import utils
+from perftest import measure, perftest, utils
 
 
 class NullLookup(perftest.TestCaseWithBasicMeasurements):
diff --git a/gdb/testsuite/gdb.perf/gmonster-pervasive-typedef.py b/gdb/testsuite/gdb.perf/gmonster-pervasive-typedef.py
index 048cf7af2d0..3e239f5292b 100644
--- a/gdb/testsuite/gdb.perf/gmonster-pervasive-typedef.py
+++ b/gdb/testsuite/gdb.perf/gmonster-pervasive-typedef.py
@@ -17,9 +17,7 @@ 
 # typedef used pervasively.  This exercises the perf regression introduced by
 # the original patch to pr 16253.
 
-from perftest import perftest
-from perftest import measure
-from perftest import utils
+from perftest import measure, perftest, utils
 
 
 class PervasiveTypedef(perftest.TestCaseWithBasicMeasurements):
diff --git a/gdb/testsuite/gdb.perf/gmonster-print-cerr.py b/gdb/testsuite/gdb.perf/gmonster-print-cerr.py
index 97f454b25fb..4f57b860bdd 100644
--- a/gdb/testsuite/gdb.perf/gmonster-print-cerr.py
+++ b/gdb/testsuite/gdb.perf/gmonster-print-cerr.py
@@ -25,9 +25,7 @@ 
 # is that here we do not pre-expand the symtab: we don't want include
 # GDB's slowness in searching expanded symtabs first to color these results.
 
-from perftest import perftest
-from perftest import measure
-from perftest import utils
+from perftest import measure, perftest, utils
 
 
 class PrintCerr(perftest.TestCaseWithBasicMeasurements):
diff --git a/gdb/testsuite/gdb.perf/gmonster-ptype-string.py b/gdb/testsuite/gdb.perf/gmonster-ptype-string.py
index 7ecc221378a..0c000ef5bb3 100644
--- a/gdb/testsuite/gdb.perf/gmonster-ptype-string.py
+++ b/gdb/testsuite/gdb.perf/gmonster-ptype-string.py
@@ -19,9 +19,7 @@ 
 # these before it searches the index (there is work-in-progress to fix this),
 # this test helps measure the issue.
 
-from perftest import perftest
-from perftest import measure
-from perftest import utils
+from perftest import measure, perftest, utils
 
 
 class GmonsterPtypeString(perftest.TestCaseWithBasicMeasurements):
diff --git a/gdb/testsuite/gdb.perf/gmonster-runto-main.py b/gdb/testsuite/gdb.perf/gmonster-runto-main.py
index e69036763a6..a183d68d012 100644
--- a/gdb/testsuite/gdb.perf/gmonster-runto-main.py
+++ b/gdb/testsuite/gdb.perf/gmonster-runto-main.py
@@ -15,9 +15,7 @@ 
 
 # Measure performance of running to main.
 
-from perftest import perftest
-from perftest import measure
-from perftest import utils
+from perftest import measure, perftest, utils
 
 
 class GmonsterRuntoMain(perftest.TestCaseWithBasicMeasurements):
diff --git a/gdb/testsuite/gdb.perf/gmonster-select-file.py b/gdb/testsuite/gdb.perf/gmonster-select-file.py
index 211211236fb..4708458384e 100644
--- a/gdb/testsuite/gdb.perf/gmonster-select-file.py
+++ b/gdb/testsuite/gdb.perf/gmonster-select-file.py
@@ -15,9 +15,7 @@ 
 
 # Measure performance of selecting a file to debug.
 
-from perftest import perftest
-from perftest import measure
-from perftest import utils
+from perftest import measure, perftest, utils
 
 
 class GmonsterSelectFile(perftest.TestCaseWithBasicMeasurements):
diff --git a/gdb/testsuite/gdb.perf/lib/perftest/measure.py b/gdb/testsuite/gdb.perf/lib/perftest/measure.py
index 942b1c4774d..00a1a9ada2b 100644
--- a/gdb/testsuite/gdb.perf/lib/perftest/measure.py
+++ b/gdb/testsuite/gdb.perf/lib/perftest/measure.py
@@ -13,10 +13,10 @@ 
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import time
-import os
 import gc
+import os
 import sys
+import time
 
 # time.perf_counter() and time.process_time() were added in Python
 # 3.3, time.clock() was removed in Python 3.8.
diff --git a/gdb/testsuite/gdb.perf/lib/perftest/perftest.py b/gdb/testsuite/gdb.perf/lib/perftest/perftest.py
index caaae13c5b6..40ed9cc0d68 100644
--- a/gdb/testsuite/gdb.perf/lib/perftest/perftest.py
+++ b/gdb/testsuite/gdb.perf/lib/perftest/perftest.py
@@ -15,13 +15,15 @@ 
 
 from __future__ import absolute_import
 
-import perftest.testresult as testresult
 import perftest.reporter as reporter
-from perftest.measure import Measure
-from perftest.measure import MeasurementPerfCounter
-from perftest.measure import MeasurementProcessTime
-from perftest.measure import MeasurementWallTime
-from perftest.measure import MeasurementVmSize
+import perftest.testresult as testresult
+from perftest.measure import (
+    Measure,
+    MeasurementPerfCounter,
+    MeasurementProcessTime,
+    MeasurementVmSize,
+    MeasurementWallTime,
+)
 
 
 class TestCase(object):
diff --git a/gdb/testsuite/gdb.perf/solib.py b/gdb/testsuite/gdb.perf/solib.py
index 0dd1d7429be..470009667e8 100644
--- a/gdb/testsuite/gdb.perf/solib.py
+++ b/gdb/testsuite/gdb.perf/solib.py
@@ -16,8 +16,7 @@ 
 # This test case is to test the speed of GDB when it is handling the
 # shared libraries of inferior are loaded and unloaded.
 
-from perftest import perftest
-from perftest import measure
+from perftest import measure, perftest
 
 
 class SolibLoadUnload1(perftest.TestCaseWithBasicMeasurements):
diff --git a/gdb/testsuite/gdb.python/py-autoloaded-pretty-printers-in-newobjfile-event.py b/gdb/testsuite/gdb.python/py-autoloaded-pretty-printers-in-newobjfile-event.py
index 97dc3758079..d63c0877199 100644
--- a/gdb/testsuite/gdb.python/py-autoloaded-pretty-printers-in-newobjfile-event.py
+++ b/gdb/testsuite/gdb.python/py-autoloaded-pretty-printers-in-newobjfile-event.py
@@ -18,9 +18,10 @@ 
 # registered when a custom event handler for the new_objfile event
 # is called.
 
-import gdb
 import os
 
+import gdb
+
 
 def new_objfile_handler(event):
     assert isinstance(event, gdb.NewObjFileEvent)
diff --git a/gdb/testsuite/gdb.python/py-bad-printers.py b/gdb/testsuite/gdb.python/py-bad-printers.py
index 068c00140a3..ac9c35e6a90 100644
--- a/gdb/testsuite/gdb.python/py-bad-printers.py
+++ b/gdb/testsuite/gdb.python/py-bad-printers.py
@@ -19,6 +19,7 @@ 
 # Test a printer with a bad children iterator.
 
 import re
+
 import gdb.printing
 
 
diff --git a/gdb/testsuite/gdb.python/py-disasm.py b/gdb/testsuite/gdb.python/py-disasm.py
index 281ce6b8c2a..c09eae811ee 100644
--- a/gdb/testsuite/gdb.python/py-disasm.py
+++ b/gdb/testsuite/gdb.python/py-disasm.py
@@ -13,11 +13,11 @@ 
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import gdb
-import gdb.disassembler
 import struct
 import sys
 
+import gdb
+import gdb.disassembler
 from gdb.disassembler import Disassembler, DisassemblerResult
 
 # A global, holds the program-counter address at which we should
diff --git a/gdb/testsuite/gdb.python/py-event-load.py b/gdb/testsuite/gdb.python/py-event-load.py
index 0c9e736a0bb..cffd5c0a15d 100644
--- a/gdb/testsuite/gdb.python/py-event-load.py
+++ b/gdb/testsuite/gdb.python/py-event-load.py
@@ -17,7 +17,6 @@ 
 
 import gdb
 
-
 freed_objfile = None
 
 
diff --git a/gdb/testsuite/gdb.python/py-frame-args.py b/gdb/testsuite/gdb.python/py-frame-args.py
index abf89ac20f9..04ab1ac4672 100644
--- a/gdb/testsuite/gdb.python/py-frame-args.py
+++ b/gdb/testsuite/gdb.python/py-frame-args.py
@@ -14,6 +14,7 @@ 
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import re
+
 import gdb
 
 
diff --git a/gdb/testsuite/gdb.python/py-framefilter-addr.py b/gdb/testsuite/gdb.python/py-framefilter-addr.py
index 7c64440b59c..c22d91c10ba 100644
--- a/gdb/testsuite/gdb.python/py-framefilter-addr.py
+++ b/gdb/testsuite/gdb.python/py-framefilter-addr.py
@@ -13,10 +13,11 @@ 
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import gdb
+import copy
 import itertools
+
+import gdb
 from gdb.FrameDecorator import FrameDecorator
-import copy
 
 
 # A FrameDecorator that just returns gdb.Frame.pc () from 'function'.
diff --git a/gdb/testsuite/gdb.python/py-framefilter-gdb.py b/gdb/testsuite/gdb.python/py-framefilter-gdb.py
index 2b786913243..ada7ad72e4c 100644
--- a/gdb/testsuite/gdb.python/py-framefilter-gdb.py
+++ b/gdb/testsuite/gdb.python/py-framefilter-gdb.py
@@ -13,10 +13,11 @@ 
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+import itertools
+
 # This file is part of the GDB testsuite.  It tests Python-based
 # frame-filters.
 import gdb
-import itertools
 from gdb.FrameDecorator import FrameDecorator
 
 
diff --git a/gdb/testsuite/gdb.python/py-framefilter-invalidarg-gdb.py b/gdb/testsuite/gdb.python/py-framefilter-invalidarg-gdb.py
index 60e81fc2f88..fbe0c0d4a94 100644
--- a/gdb/testsuite/gdb.python/py-framefilter-invalidarg-gdb.py
+++ b/gdb/testsuite/gdb.python/py-framefilter-invalidarg-gdb.py
@@ -13,10 +13,11 @@ 
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+import itertools
+
 # This file is part of the GDB testsuite.  It tests Python-based
 # frame-filters.
 import gdb
-import itertools
 from gdb.FrameDecorator import FrameDecorator
 
 
diff --git a/gdb/testsuite/gdb.python/py-framefilter-invalidarg.py b/gdb/testsuite/gdb.python/py-framefilter-invalidarg.py
index 0793a2875d8..cb25cd9902c 100644
--- a/gdb/testsuite/gdb.python/py-framefilter-invalidarg.py
+++ b/gdb/testsuite/gdb.python/py-framefilter-invalidarg.py
@@ -13,12 +13,13 @@ 
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+import copy
+import itertools
+
 # This file is part of the GDB testsuite.  It tests Python-based
 # frame-filters.
 import gdb
-import itertools
 from gdb.FrameDecorator import FrameDecorator
-import copy
 
 
 class Reverse_Function(FrameDecorator):
diff --git a/gdb/testsuite/gdb.python/py-framefilter.py b/gdb/testsuite/gdb.python/py-framefilter.py
index 720fbf920d0..fb679f18b4f 100644
--- a/gdb/testsuite/gdb.python/py-framefilter.py
+++ b/gdb/testsuite/gdb.python/py-framefilter.py
@@ -13,12 +13,13 @@ 
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+import copy
+import itertools
+
 # This file is part of the GDB testsuite.  It tests Python-based
 # frame-filters.
 import gdb
-import itertools
 from gdb.FrameDecorator import FrameDecorator
-import copy
 
 
 class Reverse_Function(FrameDecorator):
diff --git a/gdb/testsuite/gdb.python/py-inferior-leak.py b/gdb/testsuite/gdb.python/py-inferior-leak.py
index c3e88015e99..ae3629a76a0 100644
--- a/gdb/testsuite/gdb.python/py-inferior-leak.py
+++ b/gdb/testsuite/gdb.python/py-inferior-leak.py
@@ -13,9 +13,10 @@ 
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+import re
 import tracemalloc
+
 import gdb
-import re
 
 # A global variable in which we store a reference to the gdb.Inferior
 # object sent to us in the new_inferior event.
diff --git a/gdb/testsuite/gdb.python/py-mi-var-info-path-expression.py b/gdb/testsuite/gdb.python/py-mi-var-info-path-expression.py
index 21843e0d7ab..889188fb403 100644
--- a/gdb/testsuite/gdb.python/py-mi-var-info-path-expression.py
+++ b/gdb/testsuite/gdb.python/py-mi-var-info-path-expression.py
@@ -14,6 +14,7 @@ 
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import sys
+
 import gdb
 import gdb.types
 
diff --git a/gdb/testsuite/gdb.python/py-missing-debug.py b/gdb/testsuite/gdb.python/py-missing-debug.py
index 502180336ab..c1bafdd6c26 100644
--- a/gdb/testsuite/gdb.python/py-missing-debug.py
+++ b/gdb/testsuite/gdb.python/py-missing-debug.py
@@ -13,10 +13,11 @@ 
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+import os
+from enum import Enum
+
 import gdb
 from gdb.missing_debug import MissingDebugHandler
-from enum import Enum
-import os
 
 # A global log that is filled in by instances of the LOG_HANDLER class
 # when they are called.
diff --git a/gdb/testsuite/gdb.python/py-nested-maps.py b/gdb/testsuite/gdb.python/py-nested-maps.py
index e949941df82..ac04bbff597 100644
--- a/gdb/testsuite/gdb.python/py-nested-maps.py
+++ b/gdb/testsuite/gdb.python/py-nested-maps.py
@@ -17,6 +17,7 @@ 
 # nested map like structures.
 
 import re
+
 import gdb
 
 
diff --git a/gdb/testsuite/gdb.python/py-pp-integral.py b/gdb/testsuite/gdb.python/py-pp-integral.py
index 4c981d62564..089ca5ba69b 100644
--- a/gdb/testsuite/gdb.python/py-pp-integral.py
+++ b/gdb/testsuite/gdb.python/py-pp-integral.py
@@ -14,6 +14,7 @@ 
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 from time import asctime, gmtime
+
 import gdb  # silence pyflakes
 
 
diff --git a/gdb/testsuite/gdb.python/py-pp-maint.py b/gdb/testsuite/gdb.python/py-pp-maint.py
index 598c5441cb8..91c193fb8ca 100644
--- a/gdb/testsuite/gdb.python/py-pp-maint.py
+++ b/gdb/testsuite/gdb.python/py-pp-maint.py
@@ -17,8 +17,9 @@ 
 # printers.
 
 import re
-import gdb.types
+
 import gdb.printing
+import gdb.types
 
 
 def lookup_function_lookup_test(val):
diff --git a/gdb/testsuite/gdb.python/py-pp-re-notag.py b/gdb/testsuite/gdb.python/py-pp-re-notag.py
index 9cc889f819f..6aefad13d85 100644
--- a/gdb/testsuite/gdb.python/py-pp-re-notag.py
+++ b/gdb/testsuite/gdb.python/py-pp-re-notag.py
@@ -14,6 +14,7 @@ 
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 from time import asctime, gmtime
+
 import gdb  # silence pyflakes
 
 
diff --git a/gdb/testsuite/gdb.python/py-pp-registration.py b/gdb/testsuite/gdb.python/py-pp-registration.py
index c87f75dc56f..1b7eff8ceba 100644
--- a/gdb/testsuite/gdb.python/py-pp-registration.py
+++ b/gdb/testsuite/gdb.python/py-pp-registration.py
@@ -17,8 +17,9 @@ 
 # printer registration.
 
 import re
-import gdb.types
+
 import gdb.printing
+import gdb.types
 
 
 def lookup_function_lookup_test(val):
diff --git a/gdb/testsuite/gdb.python/py-prettyprint.py b/gdb/testsuite/gdb.python/py-prettyprint.py
index 79c06dd774f..e4ac3e1e510 100644
--- a/gdb/testsuite/gdb.python/py-prettyprint.py
+++ b/gdb/testsuite/gdb.python/py-prettyprint.py
@@ -17,6 +17,7 @@ 
 # printers.
 
 import re
+
 import gdb
 
 
diff --git a/gdb/testsuite/gdb.python/py-send-packet.py b/gdb/testsuite/gdb.python/py-send-packet.py
index 93b0a79f3c5..402b0397bc7 100644
--- a/gdb/testsuite/gdb.python/py-send-packet.py
+++ b/gdb/testsuite/gdb.python/py-send-packet.py
@@ -14,6 +14,7 @@ 
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import xml.etree.ElementTree as ET
+
 import gdb
 
 
diff --git a/gdb/testsuite/gdb.python/py-unwind-maint.py b/gdb/testsuite/gdb.python/py-unwind-maint.py
index f87263d85fe..1d049a999f4 100644
--- a/gdb/testsuite/gdb.python/py-unwind-maint.py
+++ b/gdb/testsuite/gdb.python/py-unwind-maint.py
@@ -16,6 +16,7 @@ 
 # This file is part of the GDB testsuite.  It tests python unwinders.
 
 import re
+
 import gdb.types
 from gdb.unwinder import Unwinder, register_unwinder
 
diff --git a/gdb/testsuite/gdb.python/py-unwind.py b/gdb/testsuite/gdb.python/py-unwind.py
index 6073e585169..62bfb09f443 100644
--- a/gdb/testsuite/gdb.python/py-unwind.py
+++ b/gdb/testsuite/gdb.python/py-unwind.py
@@ -14,8 +14,7 @@ 
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import gdb
-from gdb.unwinder import Unwinder, FrameId
-
+from gdb.unwinder import FrameId, Unwinder
 
 # These are set to test whether invalid register names cause an error.
 add_saved_register_errors = {}
diff --git a/gdb/testsuite/gdb.python/py-xmethods.py b/gdb/testsuite/gdb.python/py-xmethods.py
index 54bd10b1cbd..a2b8d578c66 100644
--- a/gdb/testsuite/gdb.python/py-xmethods.py
+++ b/gdb/testsuite/gdb.python/py-xmethods.py
@@ -16,12 +16,10 @@ 
 # This file is part of the GDB testsuite.  It test the xmethods support
 # in the Python extension language.
 
-import gdb
 import re
 
-from gdb.xmethod import XMethod
-from gdb.xmethod import XMethodMatcher, XMethodWorker
-from gdb.xmethod import SimpleXMethodMatcher
+import gdb
+from gdb.xmethod import SimpleXMethodMatcher, XMethod, XMethodMatcher, XMethodWorker
 
 
 def A_plus_A(obj, opr):
diff --git a/gdb/testsuite/gdb.rust/pp.py b/gdb/testsuite/gdb.rust/pp.py
index 356737bd794..fbc0868f83a 100644
--- a/gdb/testsuite/gdb.rust/pp.py
+++ b/gdb/testsuite/gdb.rust/pp.py
@@ -17,6 +17,7 @@ 
 # printers.
 
 import re
+
 import gdb
 
 
diff --git a/gdb/testsuite/print-ts.py b/gdb/testsuite/print-ts.py
index 086c293eeac..0a832ba7b93 100755
--- a/gdb/testsuite/print-ts.py
+++ b/gdb/testsuite/print-ts.py
@@ -30,10 +30,10 @@ 
 # FORMAT must be a string compatible with "strftime".  If nothing is
 # provided, we choose a reasonable format.
 
-import fileinput
 import datetime
-import sys
+import fileinput
 import os
+import sys
 
 if len(sys.argv) > 1:
     fmt = sys.argv[1]