@property<EOL><INDENT>def regular(self):<DEDENT>
try:<EOL><INDENT>return self.info.meta['<STR_LIT>']<EOL><DEDENT>except (TypeError, KeyError):<EOL><INDENT>if self.info.meta is None:<EOL><INDENT>self.info.meta = {}<EOL><DEDENT>self.info.meta['<STR_LIT>'] = self.is_regular()<EOL>return self.info.meta['<STR_LIT>']<EOL><DEDENT>
`True` if this index is linearly increasing