@svalue.setter<EOL><INDENT>def svalue(self, value):<DEDENT>
if value is not None:  <EOL><INDENT>self._value = None<EOL>self._error = None<EOL><DEDENT>self._svalue = value<EOL>
Change of serialized value.

        Nonify this value as well.

        :param str value: serialized value to use.