Fix formatting of qdrant.py

backend/open_webui/retrieval/vector/dbs/qdrant.py

@@ -51,7 +51,9 @@ class QdrantClient:
         self.client.create_collection(
             collection_name=collection_name_with_prefix,
             vectors_config=models.VectorParams(
-                size=dimension, distance=models.Distance.COSINE, on_disk=self.QDRANT_ON_DISK
+                size=dimension,
+                distance=models.Distance.COSINE,
+                on_disk=self.QDRANT_ON_DISK,
             ),
         )