Update app.py

app.py

@@ -287,7 +287,6 @@ def setup_vectorstore(chunks, model_name, persist_directory):
     embedding_model = HuggingFaceEmbeddings(model_name=model_name)
     
     vectorstore = Chroma.from_documents(chunks, embedding=embedding_model, persist_directory=persist_directory)
-    vectorstore.persist()
     print("test1", vectorstore._persist_directory)
     print("test2",vectorstore.__dir__)
     return vectorstore