Update app.py

app.py

@@ -247,7 +247,9 @@ def build_qa_chain(collection_name, vector_db, file: str):
     #list_file_path = [x.name for x in list_file_obj if x is not None]
     list_file_path = file.name 
     # Create collection_name for vector database
-    collection_name = create_collection_name(list_file_path[0])
+    # vincent fix InvalidCollectionException 20250212
+    #collection_name = create_collection_name(list_file_path[0])
+    collection_name = file.name 
     
     vector_db = Chroma.from_documents(
             documents=chunked_documents,