def METHOD_NAME(field_name, request, issue, data=None, *args, **kwargs):
    class _form(DefaultForm):
        followers_names = forms.MultipleChoiceField(get_users_choise(issue, 'followers'), required=False,
                                                    label='')  # we dont need coerce function here
        # because add user id to m2m field is ok.
    return _form(field_name, request, issue, data, *args, **kwargs)