Update app.py

app.py

@@ -139,11 +139,12 @@ def create_vector_db(final_items):
     try:
         db = client.create_collection(
             name=collection_name,
-            metadata={"hnsw:space": "cosine"}
+            metadata={"hnsw:space": "cosine"}, 
+            embeddding_function = "all-MiniLM-L6-v2"
         )
     except UniqueConstraintError:
         print(f"Collection '{collection_name}' already exists.")
-        collection = db.get_collection(name=collection_name)
+        db = db.get_collection(name=collection_name, embedding_function = "all-MiniLM-L6-v2")
     
     documents = []