Global private variable of module marks as unresolved in the class in the same module

Global private variable of module mark as unresolved in the class in the same module.

Try to paste such code:

__TEST = 10

class Test:

    def __init__(self):
        self.test = __TEST # here __TEST will be marked as unresolved look at the attached screenshot

Please notice that during autocomplete this variable is shown.

Environment details:
IDEA 13 Cardea 132.325
Python Plugin 2.11.2

Related issue was open PY-10845