Fixed flake8 pre-commit hook

Author: AdalbertMemSQL

singlestoredb/management/workspace.py

@@ -453,7 +453,8 @@ def create_workspace_group(
             a password will be generated and retured in the response.
         expires_at : str, optional
             The timestamp of when the workspace group will expire.
-            If the expiration time is not specified, the workspace group will have no expiration time.
+            If the expiration time is not specified, 
+            the workspace group will have no expiration time.
             At expiration, the workspace group is terminated and all the data is lost.
             Expiration time can be specified as a timestamp or duration.
             Example: "2021-01-02T15:04:05Z07:00", "2021-01-02", "3h30m"