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core: fix error when attempting to provider from cached application 

closes #1940

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>
This commit is contained in:
Jens Langhammer 2021-12-15 15:11:13 +01:00
parent f45fb2eac0
commit 50ca3dc772
1 changed files with 7 additions and 1 deletions
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8
authentik/core/models.py
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@ -278,7 +278,13 @@ class Application(PolicyBindingModel):
"""Get casted provider instance""" """Get casted provider instance"""
if not self.provider: if not self.provider:
return None return None
return Provider.objects.get_subclass(pk=self.provider.pk) # if the Application class has been cache, self.provider is set
# but doing a direct query lookup will fail.
# In that case, just return None
try:
return Provider.objects.get_subclass(pk=self.provider.pk)
except Provider.DoesNotExist:
return None
def __str__(self): def __str__(self):
return self.name return self.name