def __init__(self, **kwargs):
        """
        :param env: an class:`Environment` instance
        :param kwargs: additional keyword argument that some
                       formatters might require.

        """
        self.enabled = True
        self.kwargs = kwargs
        self.format_options = kwargs['format_options']

        :param env: an class:`Environment` instance
        :param kwargs: additional keyword argument that some
                       formatters might require.

        
httpie/plugins/base.py