Remove unused imports.

Lib/asyncio/base_events.py

@@ -16,7 +16,6 @@ to modify the meaning of the API call itself.
 import collections
 import concurrent.futures
 import heapq
-import inspect
 import itertools
 import logging
 import os

Lib/http/client.py

@@ -72,7 +72,6 @@ import email.parser
 import email.message
 import http
 import io
-import os
 import re
 import socket
 import collections

Lib/idlelib/idle_test/test_macosx.py

@@ -4,7 +4,6 @@ Coverage: 71% on Windows.
 '''
 from idlelib import macosx
 from test.support import requires
-import sys
 import tkinter as tk
 import unittest
 import unittest.mock as mock

Lib/idlelib/idle_test/test_tree.py

@@ -5,7 +5,6 @@ Coverage: 56%
 from idlelib import tree
 from test.support import requires
 requires('gui')
-import os
 import unittest
 from tkinter import Tk
 

Lib/idlelib/macosx.py

@@ -2,7 +2,6 @@
 A number of functions that enhance IDLE on Mac OSX.
 """
 from sys import platform  # Used in _init_tk_type, changed by test.
-import warnings
 
 import tkinter
 

Lib/idlelib/stackviewer.py

@@ -1,6 +1,5 @@
 import linecache
 import os
-import re
 import sys
 
 import tkinter as tk

Lib/lib2to3/pytree.py

@@ -13,7 +13,6 @@ There's also a pattern matching implementation here.
 __author__ = "Guido van Rossum <guido@python.org>"
 
 import sys
-import warnings
 from io import StringIO
 
 HUGE = 0x7FFFFFFF  # maximum repeat count, default max

Lib/lib2to3/tests/__init__.py

@@ -1,7 +1,6 @@
 # Author: Collin Winter
 
 import os
-import unittest
 
 from test.support import load_package_tests
 

Lib/modulefinder.py

@@ -7,7 +7,6 @@ import marshal
 import os
 import sys
 import types
-import struct
 import warnings
 with warnings.catch_warnings():
     warnings.simplefilter('ignore', DeprecationWarning)

Lib/socketserver.py

@@ -126,7 +126,6 @@ __version__ = "0.4"
 import socket
 import selectors
 import os
-import errno
 import sys
 try:
     import threading

Lib/test/support/script_helper.py

@@ -6,11 +6,8 @@ import importlib
 import sys
 import os
 import os.path
-import tempfile
 import subprocess
 import py_compile
-import contextlib
-import shutil
 import zipfile
 
 from importlib.util import source_from_cache

Lib/test/test_asyncgen.py

@@ -1,5 +1,4 @@
 import inspect
-import sys
 import types
 import unittest
 

Lib/test/test_asyncio/test_tasks.py

@@ -7,7 +7,6 @@ import io
 import os
 import re
 import sys
-import time
 import types
 import unittest
 import weakref

Lib/test/test_asyncio/test_unix_events.py

@@ -12,7 +12,6 @@ import sys
 import tempfile
 import threading
 import unittest
-import warnings
 from unittest import mock
 
 if sys.platform == 'win32':

Lib/test/test_bz2.py

@@ -10,7 +10,6 @@ import pathlib
 import random
 import shutil
 import subprocess
-import sys
 from test.support import unlink
 import _compression
 

Lib/test/test_cmd.py

@@ -6,7 +6,6 @@ Original by Michael Schneider
 
 import cmd
 import sys
-import re
 import unittest
 import io
 from test import support

Lib/test/test_cmd_line.py

@@ -4,7 +4,6 @@
 
 import test.support, unittest
 import os
-import shutil
 import sys
 import subprocess
 import tempfile

Lib/test/test_configparser.py

@@ -2,7 +2,6 @@ import collections
 import configparser
 import io
 import os
-import sys
 import textwrap
 import unittest
 import warnings

Lib/test/test_dbm_dumb.py

@@ -7,7 +7,6 @@ import operator
 import os
 import stat
 import unittest
-import warnings
 import dbm.dumb as dumbdbm
 from test import support
 from functools import partial

Lib/test/test_decimal.py

@@ -37,8 +37,6 @@ from test.support import (run_unittest, run_doctest, is_resource_enabled,
 from test.support import (check_warnings, import_fresh_module, TestFailed,
                           run_with_locale, cpython_only)
 import random
-import time
-import warnings
 import inspect
 try:
     import threading

Lib/test/test_dis.py

@@ -2,7 +2,6 @@
 
 from test.support import captured_stdout
 from test.bytecode_helper import BytecodeTestCase
-import difflib
 import unittest
 import sys
 import dis

Lib/test/test_faulthandler.py

@@ -2,7 +2,6 @@ from contextlib import contextmanager
 import datetime
 import faulthandler
 import os
-import re
 import signal
 import subprocess
 import sys

Lib/test/test_frame.py

@@ -1,5 +1,3 @@
-import gc
-import sys
 import types
 import unittest
 import weakref

Lib/test/test_import/__init__.py

@@ -14,7 +14,6 @@ import unittest
 import unittest.mock as mock
 import textwrap
 import errno
-import shutil
 import contextlib
 
 import test.support

Lib/test/test_importlib/abc.py

@@ -1,5 +1,4 @@
 import abc
-import unittest
 
 
 class FinderTests(metaclass=abc.ABCMeta):

Lib/test/test_importlib/test_abc.py

@@ -1,5 +1,3 @@
-import contextlib
-import inspect
 import io
 import marshal
 import os

Lib/test/test_inspect.py

@@ -10,7 +10,6 @@ import os
 from os.path import normcase
 import _pickle
 import pickle
-import re
 import shutil
 import sys
 import types
@@ -56,8 +55,6 @@ modfile = normcase(modfile)
 def revise(filename, *args):
     return (normcase(filename),) + args
 
-import builtins
-
 git = mod.StupidGit()
 
 class IsTestBase(unittest.TestCase):

Lib/test/test_os.py

@@ -15,7 +15,6 @@ import locale
 import mmap
 import os
 import pickle
-import re
 import shutil
 import signal
 import socket

Lib/test/test_peepholer.py

@@ -1,7 +1,4 @@
 import dis
-import re
-import sys
-import textwrap
 import unittest
 
 from test.bytecode_helper import BytecodeTestCase

Lib/test/test_raise.py

@@ -4,7 +4,6 @@
 """Tests for the raise statement."""
 
 from test import support
-import re
 import sys
 import types
 import unittest

Lib/test/test_re.py

@@ -1,12 +1,9 @@
 from test.support import verbose, run_unittest, gc_collect, bigmemtest, _2G, \
         cpython_only, captured_stdout
-import io
 import locale
 import re
 import sre_compile
 import string
-import sys
-import traceback
 import unittest
 import warnings
 from re import Scanner

Lib/test/test_set.py

@@ -10,7 +10,6 @@ import warnings
 import collections
 import collections.abc
 import itertools
-import string
 
 class PassThru(Exception):
     pass

Lib/test/test_shutil.py

@@ -20,7 +20,6 @@ from shutil import (make_archive,
                     SameFileError)
 import tarfile
 import zipfile
-import warnings
 
 from test import support
 from test.support import (TESTFN, check_warnings, captured_stdout,

Lib/test/test_signal.py

@@ -1,15 +1,11 @@
 import unittest
 from test import support
 from contextlib import closing
-import enum
-import gc
-import pickle
 import select
 import signal
 import socket
 import struct
 import subprocess
-import traceback
 import sys, os, time, errno
 from test.support.script_helper import assert_python_ok, spawn_python
 try:

Lib/test/test_ssl.py

@@ -11,7 +11,6 @@ import gc
 import os
 import errno
 import pprint
-import tempfile
 import urllib.request
 import traceback
 import asyncore

Lib/test/test_subclassinit.py

@@ -1,4 +1,3 @@
-import sys
 import types
 import unittest
 

Lib/test/test_super.py

@@ -1,6 +1,5 @@
 """Unit tests for zero-argument super() & related machinery."""
 
-import sys
 import unittest
 import warnings
 from test.support import check_warnings

Lib/test/test_timeit.py

@@ -2,7 +2,6 @@ import timeit
 import unittest
 import sys
 import io
-import time
 from textwrap import dedent
 
 from test.support import captured_stdout

Lib/test/test_unicode_identifiers.py

@@ -1,5 +1,4 @@
 import unittest
-import sys
 
 class PEP3131Test(unittest.TestCase):
 

Lib/test/test_winsound.py

@@ -1,8 +1,6 @@
 # Ridiculously simple test of the winsound module for Windows.
 
 import functools
-import os
-import subprocess
 import time
 import unittest
 

Lib/test/test_yield_from.py

@@ -8,10 +8,7 @@ see <http://www.cosc.canterbury.ac.nz/greg.ewing/python/yield-from/YieldFrom-Pyt
 """
 
 import unittest
-import io
-import sys
 import inspect
-import parser
 
 from test.support import captured_stderr, disable_gc, gc_collect
 

Lib/urllib/request.py

@@ -94,7 +94,6 @@ import socket
 import string
 import sys
 import time
-import collections
 import tempfile
 import contextlib
 import warnings

Lib/zipfile.py

@@ -5,7 +5,6 @@ XXX references to utf-8 need further investigation.
 """
 import io
 import os
-import re
 import importlib.util
 import sys
 import time