class_docstr: Wrapper around other :class:`.Margin` classes to show/hide them.
code: def __init__(self, margin, filter):
      assert isinstance(margin, Margin)
  
      self.margin = margin
      self.filter = to_cli_filter(filter)
  
imports: from __future__ import unicode_literals
  from abc import ABCMeta, abstractmethod
  from six import with_metaclass
  from six.moves import range
  from prompt_toolkit.filters import to_cli_filter
  from prompt_toolkit.token import Token
  from prompt_toolkit.utils import get_cwidth
  from .utils import token_list_to_text
label_desc: Use image node_id 1 to create a new ConditionalMargin object from inherited base classes: Margin with example: obj = ConditionalMargin(margin, filter)