def update(self, **kwargs):
response = self._requester.request(<EOL>'<STR_LIT>',<EOL>'<STR_LIT>'.format(<EOL>self.context_type,<EOL>self.context_id,<EOL>self.content_migration_id,<EOL>self.id),<EOL>_kwargs=combine_kwargs(**kwargs)<EOL>)<EOL>if '<STR_LIT>' in response.json():<EOL><INDENT>super(MigrationIssue, self).set_attributes(response.json())<EOL>return True<EOL><DEDENT>else:<EOL><INDENT>return False<EOL><DEDENT>
Update an existing migration issue.

:calls: `PUT
    /api/v1/accounts/:account_id/content_migrations/:content_migration_id/migration_issues/:id
    <https://canvas.instructure.com/doc/api/content_migrations.html#method.migration_issues.update>`_
    or `PUT
    /api/v1/courses/:course_id/content_migrations/:content_migration_id/migration_issues/:id
    <https://canvas.instructure.com/doc/api/content_migrations.html#method.migration_issues.update>`_
    or `PUT
    /api/v1/groups/:group_id/content_migrations/:content_migration_id/migration_issues/:id
    <https://canvas.instructure.com/doc/api/content_migrations.html#method.migration_issues.update>`_
    or `PUT
    /api/v1/users/:user_id/content_migrations/:content_migration_id/migration_issues/:id
    <https://canvas.instructure.com/doc/api/content_migrations.html#method.migration_issues.update>`_

:returns: True if the issue was updated, False otherwise.
:rtype: bool