Update app.py

app.py

@@ -49,6 +49,7 @@ def my_paraphrase(sentence, model, tokenizer):
   model.eval()
   diverse_beam_outputs = model.generate(
     input_ids=input_ids,attention_mask=attention_mask,
+    max_length = 512,
     early_stopping=True,
     num_beams=5,
     num_beam_groups = 5,