Update app.py

app.py

@@ -22,7 +22,8 @@ def generate_gpt2_response(question):
                                       no_repeat_ngram_size=2,
                                       top_k=10,
                                       top_p=1,
-                                      temperature=0.9)
+                                      temperature=0.9,
+                                      pad_token_id=model.config.pad_token_id)
     generated_response = tokenizer.decode(generated_output[0], skip_special_tokens=True)
     return generated_response