Update app.py

app.py

@@ -34,6 +34,7 @@ def genarate_summary(article):
         num_beams=4, 
         early_stopping=False,
         repetition_penalty=3.0,
+        no_repeat_ngram_size=3
     )
 
     return tokenizer.decode(outputs[0], skip_special_tokens=True)