fixed list-plugins

This patch fixes the list-plugins and list-extensions.
Pypi changed their search page to require javascript, which
breaks python scripts....

tests/plugins/test_notify.py

@@ -2,9 +2,9 @@ from unittest import mock
 
 from oslo_config import cfg
 
-from aprsd import (
+from aprsd import (  # noqa: F401
     client,
-    conf,  # noqa: F401
+    conf,
     packets,
 )
 from aprsd.plugins import notify as notify_plugin