ruff: docstring: correct return/raise

Author: d-w-moore

irods/manager/user_manager.py

@@ -55,11 +55,11 @@ def _parse_user_and_zone(user_param, zone_param):
                 user and zone names joined with "#".
             zone_param: a simple zone name,
 
-        Return:
+        Returns:
             The resulting parsed user and zone.
 
-        Raise:
-            RuntimeError in the case of formatting errors or conflicting zone names.
+        Raises:
+            RuntimeError: in the case of formatting errors or conflicting zone names.
         """
         if '#' in user_param:
             u_parsed_user, u_parsed_zone = user_param.split('#', 1)