usage: amo-changelog [-h] [-f FILE] [-p FORMAT] extension amo-changelog: error: too few arguments

usage: amo-changelog [-h] [-f FILE] [-p FORMAT] extension Fetch Version History of an addon from the Mozilla Extensions website and convert it into a human-readable format. positional arguments: extension Extension short-name, as used on addons.mozilla.org. optional arguments: -h, --help show this help message and exit -f FILE, --html-file FILE File to write to. Default: debian/upstream/changelog.html. -p FORMAT, --plain-format FORMAT Generate a human-readable form of the changelog in the file without the .html extension, using an external program. Possible options are text (uses lynx(1)), markdown (pandoc(1)), or rst (pandoc(1)). Default: none.