Update app.py

app.py

@@ -110,7 +110,7 @@ def embedding(chunk,query):
     doc = db.similarity_search(query)
     print(doc)
     #Retrieve and generate using the relevant snippets of the blog.
-    retriever = doc.as_retriever()
+    retriever = db.as_retriever()
     chain = get_conversational_chain(retriever)
     response = chain.invoke(query)
     print(response)