Update app.py

app.py

@@ -68,7 +68,7 @@ def initialize_session_state():
        )
 
         st.session_state.conversation = ConversationalRetrievalChain(
-                retriever=vectorstore.as_retriever(search_kwargs=dict(k=50)),
+                retriever=vectorstore.as_retriever(),
                 question_generator=question_generator,
                 combine_docs_chain=doc_chain,
                 memory=memory