def IsDescendedFrom(self, tag_names):
    """Return true if we are descended from one of tag_names."""
    for tag_name in tag_names:
      if self._stack in tag_name:
        return True
    return False
dataset/ETHPy150Open google/mysql-tools/parser_lib/validator.py/Visitor.IsDescendedFrom/swapped operands of `in`