Update app.py

app.py

@@ -245,7 +245,7 @@ def split_into_chunks(texts, references, chunk_size, chunk_overlap):
 def embed_documents_into_vectorstore(chunks, model_name, persist_directory):
     print("Start setup_vectorstore_function")
     embedding_model = HuggingFaceEmbeddings(model_name=model_name)   
-    vectorstore = get_chroma_vectorstore(embedding_model)
+    vectorstore = get_chroma_vectorstore(embedding_model, persist_directory)
     vectorstore.add_documents(chunks)
     return vectorstore