Update app.py

app.py

@@ -460,7 +460,7 @@ def get_response_from_pdf(query, model, selected_docs, num_calls=3, temperature=
         yield "No documents available. Please upload PDF documents to answer questions."
         return
 
-    retriever = database.as_retriever()
+    retriever = database.as_retriever("k": 20)
     logging.info(f"Retrieving relevant documents for query: {query}")
     relevant_docs = retriever.get_relevant_documents(query)
     logging.info(f"Number of relevant documents retrieved: {len(relevant_docs)}")