Fix ruff

backend/onyx/connectors/zulip/connector.py

@@ -2,11 +2,13 @@ import os
 import tempfile
 import urllib.parse
 from collections.abc import Generator
+from datetime import datetime
+from datetime import timezone
 from typing import Any
+from typing import Dict
 from typing import List
 from typing import Tuple
-from typing import Dict, Union
+from typing import Union
-from datetime import datetime, timezone
 
 from zulip import Client
 
@@ -44,17 +46,17 @@ class ZulipConnector(LoadConnector, PollConnector):
         realm_url = realm_url.strip().lower()
 
         # Remove any trailing slashes
-        realm_url = realm_url.rstrip('/')
+        realm_url = realm_url.rstrip("/")
 
         # Ensure the URL has a scheme
-        if not realm_url.startswith(('http://', 'https://')):
+        if not realm_url.startswith(("http://", "https://")):
-            realm_url = f'https://{realm_url}'
+            realm_url = f"https://{realm_url}"
 
         try:
             parsed = urllib.parse.urlparse(realm_url)
 
             # Extract the base domain without any paths or ports
-            netloc = parsed.netloc.split(':')[0]  # Remove port if present
+            netloc = parsed.netloc.split(":")[0]  # Remove port if present
 
             if not netloc:
                 raise ValueError(