pythongh-120417: Remove unused imports in tests (part 2) (python#120630)

Author: vstinner

Lib/test/test_dbm_sqlite3.py

@@ -1,10 +1,9 @@
 import sys
-import test.support
 import unittest
 from contextlib import closing
 from functools import partial
 from pathlib import Path
-from test.support import cpython_only, import_helper, os_helper
+from test.support import import_helper, os_helper
 
 dbm_sqlite3 = import_helper.import_module("dbm.sqlite3")
 # N.B. The test will fail on some platforms without sqlite3

Lib/test/test_decorators.py

@@ -1,5 +1,5 @@
 import unittest
-from types import MethodType
+
 
 def funcattrs(**kwds):
     def decorate(func):

Lib/test/test_email/test_headerregistry.py

@@ -7,7 +7,6 @@
 from test.test_email import TestEmailBase, parameterize
 from email import headerregistry
 from email.headerregistry import Address, Group
-from email.header import decode_header
 from test.support import ALWAYS_EQ
 
 

Lib/test/test_email/test_utils.py

@@ -3,9 +3,7 @@
 import test.support
 import time
 import unittest
-import sys
-import os.path
-import zoneinfo
+
 
 class DateTimeTests(unittest.TestCase):
 

Lib/test/test_ensurepip.py

@@ -6,7 +6,6 @@
 import test.support
 import unittest
 import unittest.mock
-from importlib.resources.abc import Traversable
 from pathlib import Path
 
 import ensurepip

Lib/test/test_fractions.py

@@ -1,6 +1,5 @@
 """Tests for Lib/fractions.py."""
 
-import cmath
 from decimal import Decimal
 from test.support import requires_IEEE_754
 import math

Lib/test/test_frame.py

@@ -1,11 +1,9 @@
 import copy
-import gc
 import operator
 import re
 import sys
 import textwrap
 import threading
-import types
 import unittest
 import weakref
 try:
@@ -14,7 +12,7 @@
     _testcapi = None
 
 from test import support
-from test.support import import_helper, threading_helper, Py_GIL_DISABLED
+from test.support import import_helper, threading_helper
 from test.support.script_helper import assert_python_ok
 
 

Lib/test/test_free_threading/test_str.py

@@ -1,4 +1,3 @@
-import sys
 import unittest
 
 from itertools import cycle

Lib/test/test_free_threading/test_type.py

@@ -5,7 +5,7 @@
 from threading import Thread
 from unittest import TestCase
 
-from test.support import threading_helper, import_helper
+from test.support import threading_helper
 
 
 

Lib/test/test_fstring.py

@@ -14,7 +14,6 @@
 import types
 import decimal
 import unittest
-import warnings
 from test import support
 from test.support.os_helper import temp_cwd
 from test.support.script_helper import assert_python_failure, assert_python_ok