def remove(self, elem):
        """Remove a requirement.

        :param elem: a string or :class:`Requirement` instance.
        """
        if isinstance(elem, text_type):
            for requirement in self:
                if requirement.package == elem:
                    return super(Requirements, self).remove(requirement)
        return super(Requirements, self).remove(elem)
def _Delete(self):
    """Delete the log group."""
    delete_cmd = util.AWS_PREFIX + [
        '--region', self.region,
        'logs', 'delete-log-group',
        '--log-group-name', self.name
    ]
    vm_util.IssueCommand(delete_cmd, raise_on_failure=False)