#NEWLINE# def _is_calculated_property( self , key ) : #NEWLINE# #INDENT# '\n        Returns True if the Property is a cacluated property, i.e. has fget set.\n\n        :param key: Attribute key\n        :type key: str\n\n        :rtype: bool\n\n        ' #NEWLINE# property_instance = self . _properties [ key ] #NEWLINE# return ( property_instance . fget is not None )