This is on Fedora Rawhide (which is planned to become Fedora 31 due in October), which no longer provides python2.
$ ./btrfs-debugfs -b / /usr/bin/env: ‘python2’: No such file or directory $ I expect other distros are going to follow as Python 2.7 EOL is coming up fast, in 6 months. https://pythonclock.org/ -- Chris Murphy
