Fixing failed test

Author: SeqLaz

qfieldcloud_sdk/sdk.py

@@ -628,8 +628,8 @@ def push_delta(self, project_id: str, delta_filename: str) -> Dict[str, Any]:
             A dictionary containing the response from the server.
         """
         try:
-            with open(delta_filename, 'r') as delta_file:
-                files = {'file': delta_file}
+            with open(delta_filename, "r") as delta_file:
+                files = {"file": delta_file}
                 resp = self._request(
                     "POST",
                     f"deltas/{project_id}/",