Update app.py

app.py

@@ -88,10 +88,10 @@ def get_vectorstore_from_url(url):
         model_name=model, encode_kwargs=encode_kwargs, model_kwargs={"device": "cpu"}
     )
     # load from disk
-    vector_store = Chroma(persist_directory="/.cache/chroma_db", embedding_function=embeddings)
+    vector_store = Chroma(persist_directory="/home/user/.cache/chroma_db", embedding_function=embeddings)
  
     #vectorstore = FAISS.from_texts(texts=text_chunks, embedding=embeddings)
-    vector_store = Chroma.from_documents(document_chunks, embeddings, persist_directory="/.cache/chroma_db")
+    vector_store = Chroma.from_documents(document_chunks, embeddings, persist_directory="/home/user/.cache/chroma_db")