Update app.py

app.py

@@ -59,10 +59,10 @@ async def chat(query,history,sources,reports):
     question_lst= [query]
     for question in question_lst:
         retriever = vectorstore.as_retriever(
-          search_type="similarity",
-          search_kwargs={"k": 1})
+          search_type="similarity_score_threshold", search_kwargs={"score_threshold": 0.5, "k": 5})
 
-        context_retrieved = retriever.get_relevant_documents(question)
+        context_retrieved = retriever.invoke(question)
+        print(context_retrieved_lst)
 
         def format_docs(docs):
             return "\n\n".join(doc.page_content for doc in docs)