Update app.py

app.py

@@ -19,9 +19,12 @@ from langchain.chains import RetrievalQA
 #loader = WebBaseLoader(web_links)
 #documents = loader.load()
      
+db = Chroma(persist_directory="./chroma_db", embedding_function=embeddings)
+db.get()
 #texts = text_splitter.split_documents(documents)
-db = Chroma.from_documents(persist_directory='chroma_db', embedding_function=embeddings)
+#db = Chroma.from_documents(texts, embedding_function=embeddings)
 retriever = db.as_retriever()
+
 global qa 
 qa = RetrievalQA.from_chain_type(llm=model_id, chain_type="stuff", retriever=retriever, return_source_documents=True)