Update app.py

app.py

@@ -70,7 +70,7 @@ if st.button("New Chat"):
 
 # Embeddings and vector store
 embedding = HuggingFaceEmbeddings(model_name='all-MiniLM-L6-v2')
-vectorstore = Chroma(persist_directory='database/chroma_db', embedding_function=embedding)
+vectorstore = Chroma(persist_directory='database', embedding_function=embedding)
 mmr_retriever = vectorstore.as_retriever(search_type="mmr", search_kwargs={"k": 3, "lambda_mult": 1})
 
 # Helper functions