Fix lint errors on newly covered files

docs/conf.py

@@ -11,10 +11,10 @@
 # All configuration values have a default; values that are commented out
 # serve to show the default.
 
+import glob
 import os
 import re
 import sys
-import glob
 
 on_rtd = os.environ.get('READTHEDOCS', None) == 'True'
 

setup.py

@@ -3,7 +3,7 @@ import os
 import re
 import sys
 
-from setuptools import setup, find_packages
+from setuptools import find_packages, setup
 
 
 here = os.path.abspath(os.path.dirname(__file__))

src/pip/__main__.py

@@ -13,7 +13,7 @@ if __package__ == '':
     path = os.path.dirname(os.path.dirname(__file__))
     sys.path.insert(0, path)
 
-from pip._internal import main as _main  # noqa
+from pip._internal import main as _main  # isort:skip # noqa
 
 if __name__ == '__main__':
     sys.exit(_main())