When printing some instance of RegexFlag **in the REPL** it fails to print:

>>> import gc
# This prints a ton of objects, including the bad enum RegexFlag one
>>> gc.get_referrers(None) 
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/pablogsal/github/cpython/Lib/enum.py", line 1399, in global_flag_repr
    return "%x" % (module, cls_name, self._value_)
           ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
TypeError: %x format: an integer is required, not str