Fixing up some flake8 issues

awx/main/utils.py

@@ -463,6 +463,7 @@ def wrap_args_with_proot(args, cwd, **kwargs):
      - /tmp (except for own tmp files)
     '''
     from awx.main.conf import tower_settings
+    from django.conf import settings
     new_args = [getattr(settings, 'AWX_PROOT_CMD', 'proot'), '-v',
                 str(getattr(settings, 'AWX_PROOT_VERBOSITY', '0')), '-r', '/']
     hide_paths = ['/etc/tower', '/var/lib/awx', '/var/log',