add some error handling

app.py

@@ -205,8 +205,11 @@ def reasoner(query: str, documents: list[str], llm_client: Any):
         llm_response = llm_client.run_inference(prompt)
 
         answer_dict = safe_parse_json(llm_response)
-        decision = answer_dict.get("decision", "")
-        reasoning = answer_dict.get("reasoning", "")
+        try:
+            decision = answer_dict.get("decision", "")
+            reasoning = answer_dict.get("reasoning", "")
+        except:
+            print(f"Error with parsing the returned {answer_dict}")
 
         for chunk in message.split():
             text += chunk + " "
@@ -260,6 +263,8 @@ if prompt := st.chat_input("Type here"):
             assistant_response = f'The claim is CORRECT because {reasoning}'
         elif decision.lower() == 'contradict':
             assistant_response = f'The claim is INCORRECT because {reasoning}'
+        else:
+            assistant_response = f'Sorry, the query failed due to an issue with connecting to the LLM service.'
 
         # Simulate stream of response with milliseconds delay
         for chunk in assistant_response.split():