#NEWLINE# def __init__( self , expression , lower , upper , source , source_ref ) : #NEWLINE# #INDENT# assert ( python_version < 300 ) #NEWLINE# StatementChildrenHavingBase . __init__ ( self , values = { #NEWLINE# #INDENT# 'source' : source , #NEWLINE# 'expression' : expression , #NEWLINE# 'lower' : lower , #NEWLINE# 'upper' : upper , #NEWLINE# #UNINDENT# } , source_ref = source_ref )