diff --git a/semantic_router/index/pinecone.py b/semantic_router/index/pinecone.py
index 66c7bd1beb85b63d4193c7e03954dbd9ff697c62..998a23f4c1e6a46ae9db28de6737730f2c2d6206 100644
--- a/semantic_router/index/pinecone.py
+++ b/semantic_router/index/pinecone.py
@@ -846,7 +846,9 @@ class PineconeIndex(BaseIndex):
                 all_vector_ids.extend(vector_ids)
 
                 if include_metadata:
-                    metadata_tasks = [self._async_fetch_metadata(id) for id in vector_ids]
+                    metadata_tasks = [
+                        self._async_fetch_metadata(id) for id in vector_ids
+                    ]
                     metadata_results = await asyncio.gather(*metadata_tasks)
                     metadata.extend(metadata_results)