finished all audits, first rc

dashboard/openstack_utils/connect.py

@@ -1,7 +1,8 @@
 import openstack
+from openstack.connection import Connection
 
 from watcher_visio.settings import OPENSTACK_CLOUD, OPENSTACK_REGION_NAME
 
-def get_connection():
+def get_connection() -> Connection:
     connection = openstack.connect(cloud=OPENSTACK_CLOUD, region_name=OPENSTACK_REGION_NAME)
-    return connection
+    return connection