Auto-sync from demo at Mon Apr 13 12:10:05 UTC 2026

graphgen/models/generator/masked_fill_in_blank_generator.py

@@ -115,7 +115,7 @@ class MaskedFillInBlankGenerator(BaseGenerator):
         match = re.search(mask_pattern, context)
         if match:
             gth = match.group(0)
-            masked_context = mask_pattern.sub("___", context)
+            masked_context = mask_pattern.sub("{ }", context)
         else:
             logger.debug(
                 "Regex Match Failed!\n"