as specified in the title, zvm errors out with "no version specified" if I run `zvm use --sync`, same as what the last example in `zvm use --help` says. ``` $ zvm use --sync error: No version specified. Use 'zvm use <version>' ```
as specified in the title, zvm errors out with "no version specified" if I run
zvm use --sync, same as what the last example inzvm use --helpsays.