Update app.py

app.py

@@ -89,7 +89,7 @@ def respond(
 
             try:
                 output = json.loads(rawresponse)
-                if isinstance(output, list) and len(output)  0 and "generatedtext" in output[0]:
+                if isinstance(output, list) and output and "generatedtext" in output[0]:
                     response = output[0]["generatedtext"]
                 else:
                     response = f"예상치 못한 응답 형식입니다: {output}"