@property<EOL><INDENT>def required_attributes(self):<DEDENT>
<EOL>warnings.warn(<EOL>'<STR_LIT>',<EOL>UserWarning)<EOL>required = ()<EOL>try:<EOL><INDENT>if self.profile.required is not None:<EOL><INDENT>required = tuple(self.profile.required)<EOL><DEDENT><DEDENT>except AttributeError:<EOL><INDENT>pass<EOL><DEDENT>return required<EOL>
tuple: The schema's required attributed.