Update main.py

main.py

@@ -134,7 +134,11 @@ async def chat(request: ChatRequest):
         
         # Invoke the QA chain with the user question
         result = qa.invoke(input=request.question)
-        answer = result.get("answer")
+        if isinstance(result, dict) and "answer" in result:
+            answer = result["answer"]
+        else:
+            answer = "I'm sorry, I couldn't find relevant information for your query."
+
         
         if not answer or "The information is not available in the provided context" in answer:
             answer = "I'm sorry, I couldn't find relevant information for your query. Please try rephrasing or providing more details."