def METHOD_NAME(self, issue_key, other_issue_key, relationship=RELATES, dry_run=False):
    if dry_run:
        return
    try:
        self.jira.create_issue_link(
            type=relationship,
            inwardIssue=issue_key,
            outwardIssue=other_issue_key,
            comment={
                'body': 'Linked {} to {}'.format(issue_key, other_issue_key),
            }
        )
    except JIRAError as error:
        raise Exception('failed to link {} and {}: {}'.format(issue_key, other_issue_key, error.text))