Comment 8 for bug 1270203

The `---pretend-input-tty` parameter doesn't work for me on parted 3.3-4 in Ubuntu 20.

I ended up having to use fdisk to delete and then re-create the partition:
```
printf "d\nn\np\n1\n\n\nn\np\nw\n" | fdisk -B /dev/sda
```