Fix lint remarks

news/1182.feature

@@ -1 +1 @@
-Added support for ntlm authentication using ``--auth-ntlm`` option.
+Added support for ntlm authentication using ``--auth-ntlm`` option.

src/pip/_internal/cli/req_command.py

@@ -12,7 +12,11 @@
 from pip._internal.cli import cmdoptions
 from pip._internal.cli.base_command import Command
 from pip._internal.cli.command_context import CommandContextMixIn
-from pip._internal.exceptions import CommandError, InstallationError, PreviousBuildDirError
+from pip._internal.exceptions import (
+    CommandError,
+    InstallationError,
+    PreviousBuildDirError,
+)
 from pip._internal.index.package_finder import PackageFinder
 from pip._internal.models.selection_prefs import SelectionPreferences
 from pip._internal.network.auth import MultiDomainNtlmAuth

src/pip/_internal/network/auth.py

@@ -9,11 +9,6 @@
 
 import logging
 
-try:
-    from requests_ntlm import HttpNtlmAuth  # noqa
-except ImportError:
-    HttpNtlmAuth = None
-
 from pip._vendor.requests.auth import AuthBase, HTTPBasicAuth
 from pip._vendor.requests.utils import get_netrc_auth
 from pip._vendor.six.moves.urllib import parse as urllib_parse
@@ -28,6 +23,13 @@
 )
 from pip._internal.utils.typing import MYPY_CHECK_RUNNING
 
+try:
+    from requests_ntlm import HttpNtlmAuth  # noqa
+except ImportError:
+    HttpNtlmAuth = None
+
+
+
 if MYPY_CHECK_RUNNING:
     from optparse import Values
     from typing import Dict, Optional, Tuple

tests/functional/test_install.py

@@ -189,7 +189,7 @@ def test_pep518_forkbombs(script, data, common_wheels, command, package):
 def test_without_ntlm(script, data):
     result = script.pip(
         'install', '--auth-ntlm',
-        '-f', data.packages, 
+        '-f', data.packages,
         'INITools==0.2',
         expect_error=True,
     )