gh-84623: Remove unused imports in stdlib (#93773)

Lib/asyncio/base_futures.py

@@ -1,7 +1,6 @@
 __all__ = ()
 
 import reprlib
-from _thread import get_ident
 
 from . import format_helpers
 

Lib/asyncio/coroutines.py

@@ -4,7 +4,6 @@ import collections.abc
 import inspect
 import os
 import sys
-import traceback
 import types
 
 

Lib/asyncio/locks.py

@@ -8,7 +8,6 @@ import enum
 
 from . import exceptions
 from . import mixins
-from . import tasks
 
 class _ContextManagerMixin:
     async def __aenter__(self):

Lib/asyncio/runners.py

@@ -5,7 +5,6 @@ import enum
 import functools
 import threading
 import signal
-import sys
 from . import coroutines
 from . import events
 from . import exceptions

Lib/asyncio/streams.py

@@ -4,7 +4,6 @@ __all__ = (
 
 import socket
 import sys
-import warnings
 import weakref
 
 if hasattr(socket, 'AF_UNIX'):