fix progress bar

app.py

@@ -128,7 +128,8 @@ def generate_with_feedback(sent1, approx, progress=gr.Progress()):
             'attention_mask': torch.ones_like(input_ids)
               }
 
-    progress((0, None), unit='intermediate paraphrase generated.')
+    if progress is not None:
+        progress((0, None), unit='intermediate paraphrase generated.')
     pred, (pred_text, interpolations) = model.infer_with_feedback_BP(ling_disc, sem_emb, inputs, tokenizer, progress)
 
     interpolation = '-- ' + '\n-- '.join(interpolations)
@@ -148,7 +149,7 @@ def generate_random(sent1, count, approx, progress=gr.Progress()):
         success = False
         patience = 0
         while not success:
-            pred, interpolation = generate_with_feedback(sent1, approx)[:2]
+            pred, interpolation = generate_with_feedback(sent1, approx, progress=None)[:2]
             if pred not in preds:
                 success = True
             elif patience < 10: