Author mjpieters
Recipients mjpieters
Date 2016-03-03.18:11:39
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Message-id <1457028699.66.0.294007627393.issue26477@psf.upfronthosting.co.za>
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Sorry, that should have read "the forward references section of PEP 484".

The section uses this example:

# File models/a.py
from models import b
class A(Model):
    def foo(self, b: 'b.B'): ...

# File models/b.py
from models import a
class B(Model):
    def bar(self, a: 'a.A'): ...

# File main.py
from models.a import A
from models.b import B

which doesn't fail because the forward references are not being tested until after all imports have completed; creating a Union however triggers a subclass test between the different types in the union.
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2016-03-03 18:11:39mjpieterssetrecipients: + mjpieters
2016-03-03 18:11:39mjpieterssetmessageid: <1457028699.66.0.294007627393.issue26477@psf.upfronthosting.co.za>
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