pylint #20062 suspicious error about missing attribute "next" in generator object [resolved]

while running pylint on mercurial, the following false positive was found:

************* Module mercurial.ancestor
...
E1101: 68:ancestor: Generator 'generations' has no 'next' member
...

http://hg.intevation.org/mercurial/file/e7727a545c48/mercurial/ancestor.py#l66

prioritynormal
typebug
done in0.23.0
load0.100
load left0.000
closed by<not specified>