Update app.py

app.py

@@ -79,6 +79,11 @@ class ResponseExpertAgent(Agent):
         return response['generated_text']
 
 class PostprocessingAgent(Agent):
+    role: Literal["Postprocessing Expert"] = "Postprocessing Expert"
+    goal: Literal["To enhance and finalize responses ensuring quality and completeness"] = "To enhance and finalize responses ensuring quality and completeness"
+    backstory: Literal["You are responsible for finalizing communications, adding polite terminations, and ensuring that the responses meet the quality standards expected in customer interactions."] = \
+        "You are responsible for finalizing communications, adding polite terminations, and ensuring that the responses meet the quality standards expected in customer interactions."
+
     def run(self, response):
         response += "\n\nThank you for contacting Zerodha. Is there anything else we can help with?"
         return response