$ magictune.py --dry-run run
usage: magictune.py [-h] [--dry-run DRY_RUN]
[--hide-low-volume HIDE_LOW_VOLUME] [--sleep SECONDS]
{run,balance,asset-pairs}
magictune.py: error: argument --dry-run: Boolean value expected.
should specifying dry-run not be enough to consider it true without having to specify true as well(--dry-run true)?