fix list comp

app.py

@@ -30,7 +30,7 @@ def feedback(text):
         feedback = f'Looks good! Keep up the good work'
     else:
         suggestion = grammar_tokenizer.batch_decode(corrections[0], clean_up_tokenization_spaces=True, skip_special_tokens=True)
-        suggestion = for sug in suggestion if '<' not in sug
+        suggestion = [sug for sug in suggestion if '<' not in sug]
         feedback = f'\'{" ".join(suggestion)}\' might be a little better'
     return feedback