Read the next line in PEP 394 ;) > however, end users should be aware that python refers to python3 on at least Arch Linux (that change is what prompted the cr

Read the next line in PEP 394 ;) > however, end users should be aware that python refers to python3 on at least Arch Linux (that change is what prompted the creation of this PEP), so python should be used in the shebang line only for scripts that are source compatible with both Python 2 and 3.