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Made Options.get_base_chain() always return a list.

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Valentina Mukhamedzhanova 2015-07-25 17:16:27 +02:00 • committed by Tim Graham
parent 825429c1f7
commit 6bd7ee4eab
2 changed files with 6 additions and 6 deletions
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10
django/db/models/options.py
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@ -651,12 +651,12 @@ class Options(object):
def get_base_chain(self, model):
"""
Returns a list of parent classes leading to 'model' (order from closet
to most distant ancestor). This has to handle the case were 'model' is
a grandparent or even more distant relation.
Return a list of parent classes leading to `model` (ordered from
closest to most distant ancestor). This has to handle the case where
`model` is a grandparent or even more distant relation.
"""
if not self.parents:
return None
return []
if model in self.parents:
return [model]
for parent in self.parents:
@ -664,7 +664,7 @@ class Options(object):
if res:
res.insert(0, parent)
return res
return None
return []
def get_parent_list(self):
"""