Issue #20976: pyflakes: Remove unused imports
diff --git a/Lib/_strptime.py b/Lib/_strptime.py
index d101c6d..53bd34b 100644
--- a/Lib/_strptime.py
+++ b/Lib/_strptime.py
@@ -14,7 +14,7 @@
import locale
import calendar
from re import compile as re_compile
-from re import IGNORECASE, ASCII
+from re import IGNORECASE
from re import escape as re_escape
from datetime import (date as datetime_date,
timedelta as datetime_timedelta,
diff --git a/Lib/asynchat.py b/Lib/asynchat.py
index 0378fa7..f1a5731 100644
--- a/Lib/asynchat.py
+++ b/Lib/asynchat.py
@@ -45,7 +45,6 @@
method) up to the terminator, and then control will be returned to
you - by calling your self.found_terminator() method.
"""
-import socket
import asyncore
from collections import deque
diff --git a/Lib/compileall.py b/Lib/compileall.py
index 07f50aa..d957ee5 100644
--- a/Lib/compileall.py
+++ b/Lib/compileall.py
@@ -12,7 +12,6 @@
"""
import os
import sys
-import errno
import importlib.util
import py_compile
import struct
diff --git a/Lib/ctypes/util.py b/Lib/ctypes/util.py
index 0cf2076..595113b 100644
--- a/Lib/ctypes/util.py
+++ b/Lib/ctypes/util.py
@@ -85,7 +85,7 @@
elif os.name == "posix":
# Andreas Degert's find functions, using gcc, /sbin/ldconfig, objdump
- import re, tempfile, errno
+ import re, tempfile
def _findLib_gcc(name):
expr = r'[^\(\)\s]*lib%s\.[^\(\)\s]*' % re.escape(name)
diff --git a/Lib/decimal.py b/Lib/decimal.py
index 7bc1c94..5b98473 100644
--- a/Lib/decimal.py
+++ b/Lib/decimal.py
@@ -142,7 +142,6 @@
# See http://speleotrove.com/decimal/
__libmpdec_version__ = "2.4.0" # compatible libmpdec version
-import copy as _copy
import math as _math
import numbers as _numbers
import sys
diff --git a/Lib/difflib.py b/Lib/difflib.py
index e8a3621..38dfef4 100644
--- a/Lib/difflib.py
+++ b/Lib/difflib.py
@@ -30,7 +30,6 @@
'Differ','IS_CHARACTER_JUNK', 'IS_LINE_JUNK', 'context_diff',
'unified_diff', 'HtmlDiff', 'Match']
-import warnings
import heapq
from collections import namedtuple as _namedtuple
diff --git a/Lib/email/_header_value_parser.py b/Lib/email/_header_value_parser.py
index 04ab84c..3dc5502 100644
--- a/Lib/email/_header_value_parser.py
+++ b/Lib/email/_header_value_parser.py
@@ -70,7 +70,7 @@
import re
import urllib # For urllib.parse.unquote
from string import hexdigits
-from collections import namedtuple, OrderedDict
+from collections import OrderedDict
from email import _encoded_words as _ew
from email import errors
from email import utils
diff --git a/Lib/email/generator.py b/Lib/email/generator.py
index e4a86d4..1535210 100644
--- a/Lib/email/generator.py
+++ b/Lib/email/generator.py
@@ -10,14 +10,10 @@
import sys
import time
import random
-import warnings
from copy import deepcopy
from io import StringIO, BytesIO
-from email._policybase import compat32
-from email.header import Header
from email.utils import _has_surrogates
-import email.charset as _charset
UNDERSCORE = '_'
NL = '\n' # XXX: no longer used by the code below.
diff --git a/Lib/email/header.py b/Lib/email/header.py
index 5bd0638..9c89589 100644
--- a/Lib/email/header.py
+++ b/Lib/email/header.py
@@ -100,7 +100,6 @@
words.append((encoded, encoding, charset))
# Now loop over words and remove words that consist of whitespace
# between two encoded strings.
- import sys
droplist = []
for n, w in enumerate(words):
if n>1 and w[1] and words[n-2][1] and words[n-1][0].isspace():
@@ -362,7 +361,6 @@
for string, charset in self._chunks:
if hasspace is not None:
hasspace = string and self._nonctext(string[0])
- import sys
if lastcs not in (None, 'us-ascii'):
if not hasspace or charset not in (None, 'us-ascii'):
formatter.add_transition()
diff --git a/Lib/email/mime/text.py b/Lib/email/mime/text.py
index 3b5b09f..ec18b85 100644
--- a/Lib/email/mime/text.py
+++ b/Lib/email/mime/text.py
@@ -6,7 +6,6 @@
__all__ = ['MIMEText']
-from email.encoders import encode_7or8bit
from email.mime.nonmultipart import MIMENonMultipart
diff --git a/Lib/email/parser.py b/Lib/email/parser.py
index ed512b1..9f5f95d 100644
--- a/Lib/email/parser.py
+++ b/Lib/email/parser.py
@@ -7,11 +7,9 @@
__all__ = ['Parser', 'HeaderParser', 'BytesParser', 'BytesHeaderParser',
'FeedParser', 'BytesFeedParser']
-import warnings
from io import StringIO, TextIOWrapper
from email.feedparser import FeedParser, BytesFeedParser
-from email.message import Message
from email._policybase import compat32
diff --git a/Lib/email/quoprimime.py b/Lib/email/quoprimime.py
index 30bf916..c1fe2b4 100644
--- a/Lib/email/quoprimime.py
+++ b/Lib/email/quoprimime.py
@@ -40,7 +40,6 @@
]
import re
-import io
from string import ascii_letters, digits, hexdigits
diff --git a/Lib/email/utils.py b/Lib/email/utils.py
index 95855d8..17f01bc 100644
--- a/Lib/email/utils.py
+++ b/Lib/email/utils.py
@@ -25,13 +25,10 @@
import os
import re
import time
-import base64
import random
import socket
import datetime
import urllib.parse
-import warnings
-from io import StringIO
from email._parseaddr import quote
from email._parseaddr import AddressList as _AddressList
diff --git a/Lib/functools.py b/Lib/functools.py
index 2b77f78..b8463ad 100644
--- a/Lib/functools.py
+++ b/Lib/functools.py
@@ -19,7 +19,7 @@
pass
from abc import get_cache_token
from collections import namedtuple
-from types import MappingProxyType, MethodType
+from types import MappingProxyType
from weakref import WeakKeyDictionary
try:
from _thread import RLock
diff --git a/Lib/http/client.py b/Lib/http/client.py
index 763a903..12c1a5f 100644
--- a/Lib/http/client.py
+++ b/Lib/http/client.py
@@ -73,7 +73,6 @@
import socket
import collections
from urllib.parse import urlsplit
-import warnings
__all__ = ["HTTPResponse", "HTTPConnection",
"HTTPException", "NotConnected", "UnknownProtocol",
diff --git a/Lib/http/server.py b/Lib/http/server.py
index f019bd9..6ce6bda 100644
--- a/Lib/http/server.py
+++ b/Lib/http/server.py
@@ -85,8 +85,6 @@
__all__ = ["HTTPServer", "BaseHTTPRequestHandler"]
import html
-import email.message
-import email.parser
import http.client
import io
import mimetypes
diff --git a/Lib/logging/config.py b/Lib/logging/config.py
index b882a62..10187e8 100644
--- a/Lib/logging/config.py
+++ b/Lib/logging/config.py
@@ -24,7 +24,7 @@
To use, simply 'import logging' and log away!
"""
-import sys, logging, logging.handlers, socket, struct, traceback, re
+import sys, logging, logging.handlers, struct, traceback, re
import io
try:
diff --git a/Lib/logging/handlers.py b/Lib/logging/handlers.py
index b2e7d44..f547d17 100644
--- a/Lib/logging/handlers.py
+++ b/Lib/logging/handlers.py
@@ -23,8 +23,7 @@
To use, simply 'import logging.handlers' and log away!
"""
-import errno, logging, socket, os, pickle, struct, time, re
-from codecs import BOM_UTF8
+import logging, socket, os, pickle, struct, time, re
from stat import ST_DEV, ST_INO, ST_MTIME
import queue
try:
diff --git a/Lib/mailbox.py b/Lib/mailbox.py
index dde597c..8a25a19 100644
--- a/Lib/mailbox.py
+++ b/Lib/mailbox.py
@@ -6,7 +6,6 @@
# or returning from a flush() method. See functions _sync_flush() and
# _sync_close().
-import sys
import os
import time
import calendar
diff --git a/Lib/multiprocessing/connection.py b/Lib/multiprocessing/connection.py
index 9b11a69..b4f81ba 100644
--- a/Lib/multiprocessing/connection.py
+++ b/Lib/multiprocessing/connection.py
@@ -14,7 +14,6 @@
import sys
import socket
import struct
-import errno
import time
import tempfile
import itertools
diff --git a/Lib/multiprocessing/heap.py b/Lib/multiprocessing/heap.py
index 98bfdc8..344a45f 100644
--- a/Lib/multiprocessing/heap.py
+++ b/Lib/multiprocessing/heap.py
@@ -8,13 +8,11 @@
#
import bisect
-import itertools
import mmap
import os
import sys
import tempfile
import threading
-import _multiprocessing
from . import context
from . import reduction
diff --git a/Lib/multiprocessing/pool.py b/Lib/multiprocessing/pool.py
index 1cb2d95..74d0875 100644
--- a/Lib/multiprocessing/pool.py
+++ b/Lib/multiprocessing/pool.py
@@ -24,7 +24,7 @@
# If threading is available then ThreadPool should be provided. Therefore
# we avoid top-level imports which are liable to fail on some systems.
from . import util
-from . import get_context, cpu_count, TimeoutError
+from . import get_context, TimeoutError
#
# Constants representing the state of a pool
diff --git a/Lib/multiprocessing/popen_spawn_posix.py b/Lib/multiprocessing/popen_spawn_posix.py
index 8b5dc42..6b0a8d6 100644
--- a/Lib/multiprocessing/popen_spawn_posix.py
+++ b/Lib/multiprocessing/popen_spawn_posix.py
@@ -1,4 +1,3 @@
-import fcntl
import io
import os
@@ -8,8 +7,6 @@
from . import spawn
from . import util
-from . import current_process
-
__all__ = ['Popen']
diff --git a/Lib/multiprocessing/reduction.py b/Lib/multiprocessing/reduction.py
index 01e6de2..8f209b4 100644
--- a/Lib/multiprocessing/reduction.py
+++ b/Lib/multiprocessing/reduction.py
@@ -16,7 +16,6 @@
import sys
from . import context
-from . import util
__all__ = ['send_handle', 'recv_handle', 'ForkingPickler', 'register', 'dump']
diff --git a/Lib/multiprocessing/semaphore_tracker.py b/Lib/multiprocessing/semaphore_tracker.py
index ddb2b52..de7738e 100644
--- a/Lib/multiprocessing/semaphore_tracker.py
+++ b/Lib/multiprocessing/semaphore_tracker.py
@@ -11,7 +11,6 @@
# python" would probably leave unlinked semaphores.
#
-import errno
import os
import signal
import sys
@@ -21,7 +20,6 @@
from . import spawn
from . import util
-from . import current_process
__all__ = ['ensure_running', 'register', 'unregister']
diff --git a/Lib/multiprocessing/synchronize.py b/Lib/multiprocessing/synchronize.py
index 9d8e282..0e3f6ec 100644
--- a/Lib/multiprocessing/synchronize.py
+++ b/Lib/multiprocessing/synchronize.py
@@ -11,10 +11,8 @@
'Lock', 'RLock', 'Semaphore', 'BoundedSemaphore', 'Condition', 'Event'
]
-import os
import threading
import sys
-import itertools
import tempfile
import _multiprocessing
diff --git a/Lib/multiprocessing/util.py b/Lib/multiprocessing/util.py
index e476e85..0b695e4 100644
--- a/Lib/multiprocessing/util.py
+++ b/Lib/multiprocessing/util.py
@@ -7,8 +7,6 @@
# Licensed to PSF under a Contributor Agreement.
#
-import sys
-import functools
import os
import itertools
import weakref
diff --git a/Lib/nntplib.py b/Lib/nntplib.py
index fcb01d3..e2c6579 100644
--- a/Lib/nntplib.py
+++ b/Lib/nntplib.py
@@ -1085,7 +1085,6 @@
# Test retrieval when run as a script.
if __name__ == '__main__':
import argparse
- from email.utils import parsedate
parser = argparse.ArgumentParser(description="""\
nntplib built-in demo - display the latest articles in a newsgroup""")
diff --git a/Lib/pickle.py b/Lib/pickle.py
index 9cd0132..3fc2596 100644
--- a/Lib/pickle.py
+++ b/Lib/pickle.py
@@ -23,7 +23,7 @@
"""
-from types import FunctionType, ModuleType
+from types import FunctionType
from copyreg import dispatch_table
from copyreg import _extension_registry, _inverted_registry, _extension_cache
from itertools import islice
diff --git a/Lib/platform.py b/Lib/platform.py
index 11b501e..c4ffe95 100755
--- a/Lib/platform.py
+++ b/Lib/platform.py
@@ -503,7 +503,6 @@
# Import the needed APIs
try:
- import win32api
from win32api import RegQueryValueEx, RegOpenKeyEx, \
RegCloseKey, GetVersionEx
from win32con import HKEY_LOCAL_MACHINE, VER_PLATFORM_WIN32_NT, \
diff --git a/Lib/pydoc.py b/Lib/pydoc.py
index 505b7cb..006212b 100755
--- a/Lib/pydoc.py
+++ b/Lib/pydoc.py
@@ -66,7 +66,7 @@
import warnings
from collections import deque
from reprlib import Repr
-from traceback import extract_tb, format_exception_only
+from traceback import format_exception_only
# --------------------------------------------------------- common routines
diff --git a/Lib/runpy.py b/Lib/runpy.py
index 577deb2..0bb57d7 100644
--- a/Lib/runpy.py
+++ b/Lib/runpy.py
@@ -10,7 +10,6 @@
# to implement PEP 338 (Executing Modules as Scripts)
-import os
import sys
import importlib.machinery # importlib first so we can test #15386 via -m
import importlib.util
diff --git a/Lib/socketserver.py b/Lib/socketserver.py
index e9e4e4e..46ee7c5 100644
--- a/Lib/socketserver.py
+++ b/Lib/socketserver.py
@@ -131,7 +131,6 @@
import socket
import select
-import sys
import os
import errno
try:
diff --git a/Lib/sre_compile.py b/Lib/sre_compile.py
index 3a5083f..c6860b5 100644
--- a/Lib/sre_compile.py
+++ b/Lib/sre_compile.py
@@ -10,7 +10,7 @@
"""Internal support module for sre"""
-import _sre, sys
+import _sre
import sre_parse
from sre_constants import *
from _sre import MAXREPEAT
diff --git a/Lib/sre_parse.py b/Lib/sre_parse.py
index 6583ef6..399e7b7 100644
--- a/Lib/sre_parse.py
+++ b/Lib/sre_parse.py
@@ -12,8 +12,6 @@
# XXX: show string offset and offending character for all errors
-import sys
-
from sre_constants import *
from _sre import MAXREPEAT
diff --git a/Lib/ssl.py b/Lib/ssl.py
index 4408e7b..87b70fa 100644
--- a/Lib/ssl.py
+++ b/Lib/ssl.py
@@ -147,12 +147,9 @@
if sys.platform == "win32":
from _ssl import enum_certificates, enum_crls
-from socket import getnameinfo as _getnameinfo
-from socket import SHUT_RDWR as _SHUT_RDWR
from socket import socket, AF_INET, SOCK_STREAM, create_connection
from socket import SOL_SOCKET, SO_TYPE
import base64 # for DER-to-PEM translation
-import traceback
import errno
diff --git a/Lib/subprocess.py b/Lib/subprocess.py
index d629bdf..38f0f18 100644
--- a/Lib/subprocess.py
+++ b/Lib/subprocess.py
@@ -350,8 +350,6 @@
import io
import os
import time
-import traceback
-import gc
import signal
import builtins
import warnings
diff --git a/Lib/tarfile.py b/Lib/tarfile.py
index 3409efe..0a90257 100755
--- a/Lib/tarfile.py
+++ b/Lib/tarfile.py
@@ -65,8 +65,6 @@
# from tarfile import *
__all__ = ["TarFile", "TarInfo", "is_tarfile", "TarError"]
-from builtins import open as _open # Since 'open' is TarFile.open
-
#---------------------------------------------------------
# tar constants
#---------------------------------------------------------
diff --git a/Lib/threading.py b/Lib/threading.py
index 5d68a9e..3407083 100644
--- a/Lib/threading.py
+++ b/Lib/threading.py
@@ -3,7 +3,6 @@
import sys as _sys
import _thread
-from time import sleep as _sleep
try:
from time import monotonic as _time
except ImportError:
diff --git a/Lib/tkinter/__init__.py b/Lib/tkinter/__init__.py
index 5d6f31b..4ac4e57a 100644
--- a/Lib/tkinter/__init__.py
+++ b/Lib/tkinter/__init__.py
@@ -35,8 +35,6 @@
# Attempt to configure Tcl/Tk without requiring PATH
from tkinter import _fix
-import warnings
-
import _tkinter # If this fails your Python may not be configured for Tk
TclError = _tkinter.TclError
from tkinter.constants import *
diff --git a/Lib/tkinter/tix.py b/Lib/tkinter/tix.py
index 131aa06..c1cdfa7 100644
--- a/Lib/tkinter/tix.py
+++ b/Lib/tkinter/tix.py
@@ -27,7 +27,7 @@
#
from tkinter import *
-from tkinter import _flatten, _cnfmerge, _default_root
+from tkinter import _cnfmerge, _default_root
# WARNING - TkVersion is a limited precision floating point number
if TkVersion < 3.999:
diff --git a/Lib/venv/__init__.py b/Lib/venv/__init__.py
index 3b5f5fa..bbdd911 100644
--- a/Lib/venv/__init__.py
+++ b/Lib/venv/__init__.py
@@ -32,7 +32,6 @@
import shutil
import subprocess
import sys
-import sysconfig
import types
logger = logging.getLogger(__name__)
diff --git a/Lib/xmlrpc/client.py b/Lib/xmlrpc/client.py
index 1238b9b..c2ae707 100644
--- a/Lib/xmlrpc/client.py
+++ b/Lib/xmlrpc/client.py
@@ -134,7 +134,6 @@
import http.client
import urllib.parse
from xml.parsers import expat
-import socket
import errno
from io import BytesIO
try: