tests: Fix linting issues in test_do_api_query.py

Author: shawntru04

zulip/tests/test_do_api_query.py

@@ -2,6 +2,7 @@
 from unittest.mock import MagicMock, patch
 
 import requests
+
 import zulip
 
 
@@ -67,4 +68,4 @@ def mock_ensure_session(self: zulip.Client) -> None:
 
 
 if __name__ == "__main__":
-    unittest.main()
+    unittest.main()