list and show.
"""
- def __init__(self, parent, attr=None, key=None, cls=None):
+ def __init__(self, parent, attr=None, cls=None):
r"Initialize the object, see the class documentation for details."
self.parent = parent
if attr is not None:
self._dict_subhandler_attr = attr
- if key is not None:
- self._dict_subhandler_key = key
if cls is not None:
self._dict_subhandler_class = cls