undefined-variable when using class attribute in listcomp in decorator

[pylint-bot]

Originally reported by: Florian Bruhin (BitBucket: The-Compiler, GitHub: @The-Compiler?)

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With this example code:

#!python

def dec(inp):
    def inner(func):
        print(inp)
        return func
    return inner


class Cls:

    DATA = "foo"

    @dec([x for x in DATA])
    def fun(self):
        pass

I get E: 12,21: Undefined variable 'DATA' (undefined-variable) even though the code is working fine.

pylint 1.4.3,
astroid 1.3.6, common 0.63.2

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• Bitbucket: https://bitbucket.org/logilab/pylint/issue/511

[pylint-bot]

Original comment by Florian Bruhin (BitBucket: The-Compiler, GitHub: @The-Compiler?):

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This seems very similiar to #342 which was fixed in dc161ec8c308 - but it seems this one is still present.

[pylint-bot]

Original comment by Claudiu Popa (BitBucket: PCManticore, GitHub: @PCManticore):

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Working on it ;-)

[pylint-bot]

Original comment by Florian Bruhin (BitBucket: The-Compiler, GitHub: @The-Compiler?):

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Awesome, thank you!