#NEWLINE# def Param( self , param_name , chart = None ) : #NEWLINE# #INDENT# 'Helper to look up a Google Chart API parameter for the given chart.' #NEWLINE# if ( chart is None ) : #NEWLINE# #INDENT# chart = self . chart #NEWLINE# #UNINDENT# params = chart . display . _Params ( chart ) #NEWLINE# return params [ param_name ]