Update app.py

app.py

@@ -34,7 +34,7 @@ def generate_response(prompt, history, temperature=0.5, max_tokens=1024, top_p=1
         # Collect the output from the stream
         output = ""
         for chunk in stream:
-            output += chunk.choices[0].delta.content
+            output += str(chunk.choices[0].delta.content)
         return output
 
     except Exception as e: