#NEWLINE# def _set_step_attrs( self , local_attrs ) : #NEWLINE# #INDENT# 'this method set _givens, _whens and _thens to the class,\n        because the steps are called while the class is been defined' #NEWLINE# attr_name = ( '_%ss' % self . name ) #NEWLINE# if ( not ( attr_name in local_attrs ) ) : #NEWLINE# #INDENT# local_attrs [ attr_name ] = [ ]