Update app.py

app.py

@@ -56,7 +56,7 @@ def fill_masked(text: str, model_name: str, top_k: int):
     # Format results for display
     res_dict = {}
     if isinstance(results[0], list):
-        for mask_num, mas_results in enumerate(results):
+        for mask_num, mask_results in enumerate(results):
             formatted = []
             for cand in mask_results:
                 formatted.append({