pythongh-84623: Remove unused imports in tests (python#93772)

Author: vstinner

Lib/distutils/tests/test_bdist.py

@@ -1,5 +1,4 @@
 """Tests for distutils.command.bdist."""
-import os
 import unittest
 from test.support import run_unittest
 

Lib/distutils/tests/test_sysconfig.py

@@ -12,7 +12,6 @@
 from distutils.tests import support
 from test.support import run_unittest, swap_item, requires_subprocess, is_wasi
 from test.support.os_helper import TESTFN
-from test.support.warnings_helper import check_warnings
 
 
 class SysconfigTestCase(support.EnvironGuard, unittest.TestCase):

Lib/lib2to3/tests/test_all_fixers.py

@@ -7,7 +7,6 @@
 
 # Python imports
 import os.path
-import sys
 import test.support
 import unittest
 

Lib/test/datetimetester.py

@@ -7,7 +7,6 @@
 import bisect
 import copy
 import decimal
-import functools
 import sys
 import os
 import pickle

Lib/test/libregrtest/setup.py

@@ -141,7 +141,7 @@ def _adjust_resource_limits():
     """Adjust the system resource limits (ulimit) if needed."""
     try:
         import resource
-        from resource import RLIMIT_NOFILE, RLIM_INFINITY
+        from resource import RLIMIT_NOFILE
     except ImportError:
         return
     fd_limit, max_fds = resource.getrlimit(RLIMIT_NOFILE)

Lib/test/list_tests.py

@@ -3,10 +3,9 @@
 """
 
 import sys
-import os
 from functools import cmp_to_key
 
-from test import support, seq_tests
+from test import seq_tests
 from test.support import ALWAYS_EQ, NEVER_EQ
 
 

Lib/test/lock_tests.py

@@ -2,7 +2,6 @@
 Various tests for synchronization primitives.
 """
 
-import os
 import gc
 import sys
 import time

Lib/test/test_asyncio/test_events.py

@@ -29,7 +29,6 @@
 import asyncio
 from asyncio import coroutines
 from asyncio import events
-from asyncio import proactor_events
 from asyncio import selector_events
 from test.test_asyncio import utils as test_utils
 from test import support

Lib/test/test_asyncio/test_runners.py

@@ -1,7 +1,6 @@
 import _thread
 import asyncio
 import contextvars
-import gc
 import re
 import signal
 import threading

Lib/test/test_asyncio/test_sock_lowlevel.py

@@ -5,7 +5,7 @@
 
 from asyncio import proactor_events
 from itertools import cycle, islice
-from unittest.mock import patch, Mock
+from unittest.mock import Mock
 from test.test_asyncio import utils as test_utils
 from test import support
 from test.support import socket_helper

Lib/test/test_asyncio/test_tasks.py

@@ -1,22 +1,18 @@
 """Tests for tasks.py."""
 
 import collections
-import contextlib
 import contextvars
-import functools
 import gc
 import io
 import random
 import re
 import sys
-import textwrap
 import traceback
 import unittest
 from unittest import mock
 from types import GenericAlias
 
 import asyncio
-from asyncio import coroutines
 from asyncio import futures
 from asyncio import tasks
 from test.test_asyncio import utils as test_utils

Lib/test/test_asyncio/test_timeouts.py

@@ -4,7 +4,6 @@
 import time
 
 import asyncio
-from asyncio import tasks
 
 
 def tearDownModule():

Lib/test/test_atexit.py

@@ -1,6 +1,5 @@
 import atexit
 import os
-import sys
 import textwrap
 import unittest
 from test import support

Lib/test/test_binascii.py

@@ -4,7 +4,7 @@
 import binascii
 import array
 import re
-from test.support import bigmemtest, _1G, _4G, warnings_helper
+from test.support import bigmemtest, _1G, _4G
 
 
 # Note: "*_hex" functions are aliases for "(un)hexlify"

Lib/test/test_bufio.py

@@ -1,5 +1,4 @@
 import unittest
-from test import support
 from test.support import os_helper
 
 import io # C implementation.

Lib/test/test_codecs.py

@@ -9,7 +9,6 @@
 
 from test import support
 from test.support import os_helper
-from test.support import warnings_helper
 
 try:
     import _testcapi

Lib/test/test_decorators.py

@@ -1,4 +1,3 @@
-from test import support
 import unittest
 from types import MethodType
 

Lib/test/test_defaultdict.py

@@ -1,9 +1,7 @@
 """Unit tests for collections.defaultdict."""
 
-import os
 import copy
 import pickle
-import tempfile
 import unittest
 
 from collections import defaultdict

Lib/test/test_descr.py

@@ -3563,7 +3563,6 @@ class MyInt(int):
     def test_str_of_str_subclass(self):
         # Testing __str__ defined in subclass of str ...
         import binascii
-        import io
 
         class octetstring(str):
             def __str__(self):

Lib/test/test_email/test_email.py

@@ -7,7 +7,6 @@
 import base64
 import unittest
 import textwrap
-import warnings
 
 from io import StringIO, BytesIO
 from itertools import chain
@@ -45,7 +44,7 @@
 
 # These imports are documented to work, but we are testing them using a
 # different path, so we import them here just to make sure they are importable.
-from email.parser import FeedParser, BytesFeedParser
+from email.parser import FeedParser
 
 NL = '\n'
 EMPTYSTRING = ''

Lib/test/test_exception_group.py

@@ -1,5 +1,4 @@
 import collections.abc
-import traceback
 import types
 import unittest
 

Lib/test/test_exceptions.py

@@ -1,7 +1,6 @@
 # Python test set -- part 5, built-in exceptions
 
 import copy
-import gc
 import os
 import sys
 import unittest

Lib/test/test_float.py

@@ -8,7 +8,6 @@
 import unittest
 
 from test import support
-from test.support import import_helper
 from test.test_grammar import (VALID_UNDERSCORE_LITERALS,
                                INVALID_UNDERSCORE_LITERALS)
 from math import isinf, isnan, copysign, ldexp

Lib/test/test_flufl.py

@@ -1,6 +1,5 @@
 import __future__
 import unittest
-from test import support
 
 
 class FLUFLTests(unittest.TestCase):

Lib/test/test_functools.py

@@ -13,15 +13,13 @@
 import typing
 import unittest
 import unittest.mock
-import os
 import weakref
 import gc
 from weakref import proxy
 import contextlib
 
 from test.support import import_helper
 from test.support import threading_helper
-from test.support.script_helper import assert_python_ok
 
 import functools
 

Lib/test/test_future.py

@@ -3,7 +3,6 @@
 import __future__
 import ast
 import unittest
-from test import support
 from test.support import import_helper
 from textwrap import dedent
 import os

Lib/test/test_getpath.py

@@ -2,7 +2,6 @@
 import ntpath
 import pathlib
 import posixpath
-import sys
 import unittest
 
 from test.support import verbose

Lib/test/test_heapq.py

@@ -4,7 +4,6 @@
 import unittest
 import doctest
 
-from test import support
 from test.support import import_helper
 from unittest import TestCase, skipUnless
 from operator import itemgetter

Lib/test/test_http_cookiejar.py

@@ -4,7 +4,6 @@
 import stat
 import sys
 import re
-import test.support
 from test.support import os_helper
 from test.support import warnings_helper
 import time

Lib/test/test_imaplib.py

@@ -10,9 +10,7 @@
 import threading
 import socket
 
-from test.support import (verbose,
-                          run_with_tz, run_with_locale, cpython_only,
-                          requires_working_socket)
+from test.support import verbose, run_with_tz, run_with_locale, cpython_only
 from test.support import hashlib_helper
 from test.support import threading_helper
 from test.support import warnings_helper

Lib/test/test_importlib/test_abc.py

@@ -2,7 +2,6 @@
 import marshal
 import os
 import sys
-from test import support
 from test.support import import_helper
 import types
 import unittest

Lib/test/test_importlib/test_api.py

@@ -6,7 +6,6 @@
 
 import os.path
 import sys
-from test import support
 from test.support import import_helper
 from test.support import os_helper
 import types

Lib/test/test_launcher.py

@@ -7,7 +7,6 @@
 import sys
 import sysconfig
 import tempfile
-import textwrap
 import unittest
 from pathlib import Path
 from test import support

Lib/test/test_lltrace.py

@@ -1,5 +1,4 @@
 import dis
-import sys
 import textwrap
 import unittest
 

Lib/test/test_mailcap.py

@@ -3,7 +3,6 @@
 import sys
 import test.support
 import unittest
-import warnings
 from test.support import os_helper
 from test.support import warnings_helper
 

Lib/test/test_nis.py

@@ -1,4 +1,3 @@
-from test import support
 from test.support import import_helper
 import unittest
 import warnings

Lib/test/test_regrtest.py

@@ -15,7 +15,6 @@
 import sysconfig
 import tempfile
 import textwrap
-import time
 import unittest
 from test import libregrtest
 from test import support

Lib/test/test_select.py

@@ -1,5 +1,4 @@
 import errno
-import os
 import select
 import subprocess
 import sys

Lib/test/test_shelve.py

@@ -1,11 +1,9 @@
 import unittest
 import dbm
 import shelve
-import glob
 import pickle
 import os
 
-from test import support
 from test.support import os_helper
 from collections.abc import MutableMapping
 from test.test_dbm import dbm_iterator

Lib/test/test_site.py

@@ -10,10 +10,9 @@
 from test.support import os_helper
 from test.support import socket_helper
 from test.support import captured_stderr
-from test.support.os_helper import TESTFN, EnvironmentVarGuard, change_cwd
+from test.support.os_helper import TESTFN, EnvironmentVarGuard
 import ast
 import builtins
-import encodings
 import glob
 import io
 import os

Lib/test/test_sqlite3/__init__.py

@@ -3,7 +3,6 @@
 # Skip test if _sqlite3 module not installed.
 import_helper.import_module('_sqlite3')
 
-import unittest
 import os
 import sqlite3
 

Lib/test/test_sysconfig.py

@@ -11,7 +11,6 @@
 from test.support.import_helper import import_module
 from test.support.os_helper import (TESTFN, unlink, skip_unless_symlink,
                                     change_cwd)
-from test.support.warnings_helper import check_warnings
 
 import sysconfig
 from sysconfig import (get_paths, get_platform, get_config_vars,

Lib/test/test_tcl.py

@@ -1,10 +1,7 @@
 import unittest
-import locale
-import re
 import subprocess
 import sys
 import os
-import warnings
 from test import support
 from test.support import import_helper
 from test.support import os_helper

Lib/test/test_threading_local.py

@@ -4,7 +4,6 @@
 from test import support
 from test.support import threading_helper
 import weakref
-import gc
 
 # Modules under test
 import _thread

Lib/test/test_tools/test_md5sum.py

@@ -1,6 +1,5 @@
 """Tests for the md5sum script in the Tools directory."""
 
-import sys
 import os
 import unittest
 from test.support import os_helper