Remove unused imports

src/pip/_internal/commands/check.py

@@ -4,7 +4,6 @@ from pip._internal.basecommand import Command
 from pip._internal.operations.check import (
     check_package_set, create_package_set_from_installed,
 )
-from pip._internal.utils.misc import get_installed_distributions
 
 logger = logging.getLogger(__name__)
 

src/pip/_internal/download.py

@@ -30,7 +30,6 @@ from pip._vendor.six.moves.urllib.parse import unquote as urllib_unquote
 from pip._vendor.urllib3.util import IS_PYOPENSSL
 
 import pip
-from pip._internal.compat import WINDOWS
 from pip._internal.exceptions import HashMismatch, InstallationError
 from pip._internal.locations import write_delete_marker_file
 from pip._internal.models.index import PyPI

src/pip/_internal/locations.py

@@ -8,7 +8,7 @@ import site
 import sys
 import sysconfig
 from distutils import sysconfig as distutils_sysconfig
-from distutils.command.install import SCHEME_KEYS, install  # type: ignore
+from distutils.command.install import SCHEME_KEYS
 
 from pip._internal.compat import WINDOWS, expanduser
 from pip._internal.utils import appdirs

src/pip/_internal/req/req_install.py

@@ -28,7 +28,7 @@ from pip._internal.compat import native_str
 from pip._internal.download import (
     is_archive_file, is_url, path_to_url, url_to_path,
 )
-from pip._internal.exceptions import InstallationError, UninstallationError
+from pip._internal.exceptions import InstallationError
 from pip._internal.locations import (
     PIP_DELETE_MARKER_FILENAME, running_under_virtualenv,
 )

src/pip/_internal/vcs/__init__.py

@@ -1,7 +1,6 @@
 """Handles all VCS (version control) support"""
 from __future__ import absolute_import
 
-import copy
 import errno
 import logging
 import os

src/pip/_internal/wheel.py

@@ -5,7 +5,6 @@ from __future__ import absolute_import
 
 import collections
 import compileall
-import copy
 import csv
 import hashlib
 import logging

tests/functional/test_download.py

@@ -1,4 +1,3 @@
-import os
 import textwrap
 
 import pytest

tests/functional/test_install_force_reinstall.py

@@ -1,4 +1,3 @@
-import pytest
 
 from tests.lib import assert_all_changes
 

tests/functional/test_install_wheel.py

@@ -1,7 +1,6 @@
 import distutils
 import glob
 import os
-import sys
 
 import pytest
 

tests/functional/test_no_color.py

@@ -2,9 +2,7 @@
 Test specific for the --no-color option
 """
 import os
-import platform
 import subprocess
-import sys
 
 import pytest