(self, formula, **kwargs)
return formula
Returns formula, independently from the childrens's value.
Returns formula, independently from the childrens's value.
Returns formula independently from the childrens s value .
def walk_identity(self, formula, **kwargs):
        #pylint: disable=unused-argument
        """ Returns formula, independently from the childrens's value."""
        return formula
def walk_identity ( self , formula , * * kwargs ) : #pylint: disable=unused-argument return formula