We can reproduce following command: $ sudo py3compile -p python3-apport -V 3.0- /usr/lib/python3.8/subprocess.py:838: RuntimeWarning: line buffering (buffering=1) isn't supported in binary mode, the default buffer size will be used self.stdin = io.open(p2cwrite, 'wb', bufsize)
py3comipe set "bufsize=1" for subprocess.Popen(): https://salsa.debian.org/cpython-team/python3-defaults/blob/master/py3compile#L132-133 process = Popen(cmd, bufsize=1, shell=True, stdin=PIPE, close_fds=True) However newer python (from 3.8?) warn on buffering=1. * https://github.com/python/cpython/commit/a2670565d8f5c502388378aba1fe73023fd8c8d4 * https://bugs.python.org/issue32236 ** Bug watch added: Python Roundup #32236 http://bugs.python.org/issue32236 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1863414 Title: Have many "/usr/lib/python3.8/subprocess.py:838: RuntimeWarning: line buffering (buffering=1) isn't supported in binary mode, the default buffer size will be used" on simple APT usage To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/python3.8/+bug/1863414/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
