admin: fix attribute error when loading old taskinfo
Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>
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@ -30,6 +30,16 @@ class TaskSerializer(PassiveSerializer):
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)
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messages = ListField(source="result.messages")
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def to_representation(self, instance):
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"""When a new version of authentik adds fields to TaskInfo,
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the API will fail with an AttributeError, as the classes
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are pickled in cache. In that case, just delete the info"""
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try:
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return super().to_representation(instance)
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except AttributeError:
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self.instance.delete()
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return {}
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class TaskViewSet(ViewSet):
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"""Read-only view set that returns all background tasks"""
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