To be honest, Python made it stupendously simpler than anything else because it has a great standard library. The only dependency (click) is rock solid and made it a lot simpler to handle commands independently, but we could probably do without it and just use the built-in argparse—-but at the expense of a few more lines of code I didn’t want to maintain.
Also, Python is everywhere, on every OS and Linux system, so it was a natural choice. I also wanted it to be easily hackable and extensible, and few languages would make it simpler to understand or extend.