Fix failing formatting

Author: musale

src/msgraph_core/requests/batch_request_builder.py

@@ -105,8 +105,8 @@ async def _post_batch_collection(
             raise ValueError("batch_request_content_collection cannot be Null.")
 
         batch_responses = BatchResponseContentCollection()
-
-        for batch_request_content in batch_request_content_collection.get_batch_requests_for_execution():
+        batch_requests = batch_request_content_collection.get_batch_requests_for_execution()
+        for batch_request_content in batch_requests:
             response = await self.post(batch_request_content, error_map)
             batch_responses.add_response(response)