Can not run evdevremapkeys/evdevremapkeys.py -l

[cjh9]

python evdevremapkeys/evdevremapkeys.py -l

evdevremapkeys/evdevremapkeys.py:44: DeprecationWarning: "@coroutine" decorator is deprecated since Python 3.8, use "async def" instead
  async def handle_events(input, output, remappings, modifier_groups):
evdevremapkeys/evdevremapkeys.py:77: DeprecationWarning: "@coroutine" decorator is deprecated since Python 3.8, use "async def" instead
  def repeat_event(event, rate, count, values, output):
evdevremapkeys/evdevremapkeys.py:322: DeprecationWarning: "@coroutine" decorator is deprecated since Python 3.8, use "async def" instead
  def shutdown(loop):

Got any tips on what to do?