def _check_extra(self, obj):

        if not isinstance(obj.extra, int):
            return must_be('an integer', option='extra', obj=obj, id='admin.E203')
        else:
            return []
Resolves value (tasker) link that is passed in as parm
dataset/ETHPy150Open django/django/django/contrib/admin/checks.py/InlineModelAdminChecks._check_extra--crossover with--dataset/ETHPy150Open ioflo/ioflo/ioflo/base/fiating.py/Fiat._resolve