fix linter issues

Author: DosticJelena

llama_index/vector_stores/pinecone.py

@@ -100,12 +100,16 @@ def _to_pinecone_filter(standard_filters: MetadataFilters) -> dict:
     return filters
 
 
-async def async_upload(index: Any, vectors: List[Dict], batch_size: int, semaphore: asyncio.Semaphore) -> None:
+async def async_upload(
+    index: Any, vectors: List[Dict], batch_size: int, semaphore: asyncio.Semaphore
+) -> None:
     async def send_batch(batch: List[Dict]):  # type: ignore
         async with semaphore:
             return await asyncio.to_thread(index.upsert, batch, async_req=True)
-    
-    await asyncio.gather(*[send_batch(chunk) for chunk in iter_batch(vectors, size=batch_size)])
+
+    await asyncio.gather(
+        *[send_batch(chunk) for chunk in iter_batch(vectors, size=batch_size)]
+    )
 
 
 import_err_msg = (
@@ -255,7 +259,7 @@ def _prepare_entries_for_upsert(self, nodes: List[BaseNode]) -> List[Dict]:
                 entry[SPARSE_VECTOR_KEY] = sparse_vector
 
             entries.append(entry)
-        
+
         return entries
 
     def add(
@@ -301,7 +305,6 @@ async def async_add(
 
         return [entry[ID_KEY] for entry in entries]
 
-
     def delete(self, ref_doc_id: str, **delete_kwargs: Any) -> None:
         """
         Delete nodes using with ref_doc_id.