New submission from Serhiy Storchaka <storchaka+cpyt...@gmail.com>: The syntax f(x for x in [1],) is ambiguous and reasons that allow it (omitting parenthesis in generator expression and using trailing comma in call expression) are not applicable in this case. Rationales see on Python-Dev: https://mail.python.org/pipermail/python-dev/2017-November/150481.html.
---------- components: Interpreter Core messages: 306132 nosy: benjamin.peterson, brett.cannon, ncoghlan, serhiy.storchaka, yselivanov priority: normal severity: normal status: open title: Disallow ambiguous syntax f(x for x in [1],) type: enhancement versions: Python 3.7 _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue32012> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com