Update app.py

app.py

@@ -280,6 +280,7 @@ def simple_chat(message, temperature: float = 0.8, max_length: int = 4096, top_p
     #     formatted_text = buffer
 
     try:
+        buffer = buffer.strip('`')
         json_content = json.loads(buffer)
         formatted_text = format_json_to_string(json_content)
     except json.JSONDecodeError: