Steven D'Aprano added the comment: Not a bug. You have used a generator expression, so it is exhausted once you have run over it once using list(). Then, you run over it again with any() and all(), but they don't see any values so return the default value.
Change the generator expression to a list comprehension [ ... ] and you will get the results you want. ---------- nosy: +steven.daprano _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue25261> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
