Update app.py

app.py

@@ -58,7 +58,7 @@ def extract_doc(path):
 
 def create_col(documents):
     # Create a client and a new collection
-    db_path = f'database/{str(uuid.uuid4()[:4])}'
+    db_path = f'database/{str(uuid.uuid4())[:4]}'
     client = chromadb.PersistentClient(path=db_path)
     chroma_collection = client.get_or_create_collection("quickstart")