def _deserialize(self, value, attr, data):
try:<EOL><INDENT>return super()._deserialize(value, attr, data)<EOL><DEDENT>except ValidationError as ex:<EOL><INDENT>if '<STR_LIT>' in ex.messages[<NUM_LIT:0>]:<EOL><INDENT>ex.messages[<NUM_LIT:0>] = '<STR_LIT>'<EOL><DEDENT>raise<EOL><DEDENT>
Override ``_deserialize`` for customizing the exception raised.