python · serhiy-storchaka · Nov 10, 2018 · Nov 10, 2018
diff --git a/Lib/lib2to3/pgen2/driver.py b/Lib/lib2to3/pgen2/driver.py
@@ -16,7 +16,6 @@
 __all__ = ["Driver", "load_grammar"]
 
 # Python imports
-import codecs
 import io
 import os
 import logging

diff --git a/Lib/lib2to3/pgen2/grammar.py b/Lib/lib2to3/pgen2/grammar.py
@@ -13,7 +13,6 @@
 """
 
 # Python imports
-import collections
 import pickle
 
 # Local imports

diff --git a/Lib/multiprocessing/popen_fork.py b/Lib/multiprocessing/popen_fork.py
@@ -1,5 +1,4 @@
 import os
-import sys
 import signal
 
 from . import util

diff --git a/Lib/test/test_collections.py b/Lib/test/test_collections.py
@@ -3,11 +3,9 @@
 import collections
 import copy
 import doctest
-import keyword
 import operator
 import pickle
 from random import choice, randrange
-import re
 import string
 import sys
 from test import support

diff --git a/Lib/test/test_queue.py b/Lib/test/test_queue.py
@@ -1,10 +1,8 @@
 # Some simple queue module tests, plus some failure conditions
 # to ensure the Queue locks remain stable.
-import collections
 import itertools
 import queue
 import random
-import sys
 import threading
 import time
 import unittest

diff --git a/Lib/test/test_sys.py b/Lib/test/test_sys.py
@@ -10,7 +10,6 @@
 import gc
 import sysconfig
 import locale
-import threading
 
 # count the number of test runs, used to create unique
 # strings to intern in test_intern()

diff --git a/Lib/test/test_thread.py b/Lib/test/test_thread.py
@@ -4,7 +4,6 @@
 from test import support
 import _thread as thread
 import time
-import sys
 import weakref
 
 from test import lock_tests