On Fri, 2021-01-22 at 07:06 +0900, Masahiro Yamada wrote: > I use Ubuntu, where /usr/bin/python is a symlink > to /usr/bin/python3.
Odd, here: $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 20.10 Release: 20.10 Codename: groovy $ ls /usr/bin/python -la lrwxrwxrwx 1 root root 7 Apr 15 2020 /usr/bin/python -> python2