$ kasa --version
kasa, version 0.4.1

$ kasa
No host name given, trying discovery..
Discovering devices on 255.255.255.255 for 3 seconds

== ledstrip - KL400L5(US) ==
	Host: 10.90.7.106
	Device state: ON

	== Generic information ==
	Time:         2022-02-06 22:02:24
	Hardware:     1.0
	Software:     1.0.8 Build 211018 Rel.162056
	MAC (rssi):   xx:xx:xx:xx:xx:xx (-59)
	Location:     {'latitude': xxxxx, 'longitude': xxxxx}

	== Device specific information ==
	Brightness: 100
	Is dimmable: True
	HSV: HSV(hue=344, saturation=100, value=100)
	Length: 1


	== Current State ==
Traceback (most recent call last):
  File "/opt/homebrew/bin/kasa", line 8, in <module>
    sys.exit(cli())
  File "/opt/homebrew/lib/python3.9/site-packages/asyncclick/core.py", line 1150, in __call__
    return anyio.run(self._main, main, args, kwargs, **({"backend":_anyio_backend} if _anyio_backend is not None else {}))
  File "/opt/homebrew/lib/python3.9/site-packages/anyio/_core/_eventloop.py", line 56, in run
    return asynclib.run(func, *args, **backend_options)
  File "/opt/homebrew/lib/python3.9/site-packages/anyio/_backends/_asyncio.py", line 233, in run
    return native_run(wrapper(), debug=debug)
  File "/opt/homebrew/Cellar/python@3.9/3.9.10/Frameworks/Python.framework/Versions/3.9/lib/python3.9/asyncio/runners.py", line 44, in run
    return loop.run_until_complete(main)
  File "/opt/homebrew/Cellar/python@3.9/3.9.10/Frameworks/Python.framework/Versions/3.9/lib/python3.9/asyncio/base_events.py", line 642, in run_until_complete
    return future.result()
  File "/opt/homebrew/lib/python3.9/site-packages/anyio/_backends/_asyncio.py", line 228, in wrapper
    return await func(*args)
  File "/opt/homebrew/lib/python3.9/site-packages/asyncclick/core.py", line 1153, in _main
    return await main(*args, **kwargs)
  File "/opt/homebrew/lib/python3.9/site-packages/asyncclick/core.py", line 1074, in main
    rv = await self.invoke(ctx)
  File "/opt/homebrew/lib/python3.9/site-packages/asyncclick/core.py", line 1662, in invoke
    await super().invoke(ctx)
  File "/opt/homebrew/lib/python3.9/site-packages/asyncclick/core.py", line 1420, in invoke
    return await ctx.invoke(self.callback, **ctx.params)
  File "/opt/homebrew/lib/python3.9/site-packages/asyncclick/core.py", line 774, in invoke
    rv = await rv
  File "/opt/homebrew/lib/python3.9/site-packages/kasa/cli.py", line 82, in cli
    await ctx.invoke(discover)
  File "/opt/homebrew/lib/python3.9/site-packages/asyncclick/core.py", line 774, in invoke
    rv = await rv
  File "/opt/homebrew/lib/python3.9/site-packages/kasa/cli.py", line 162, in discover
    await ctx.invoke(state)
  File "/opt/homebrew/lib/python3.9/site-packages/asyncclick/core.py", line 774, in invoke
    rv = await rv
  File "/opt/homebrew/lib/python3.9/site-packages/asyncclick/core.py", line 774, in invoke
    rv = await rv
  File "/opt/homebrew/lib/python3.9/site-packages/kasa/cli.py", line 231, in state
    emeter_status = dev.emeter_realtime
  File "/opt/homebrew/lib/python3.9/site-packages/kasa/smartdevice.py", line 87, in wrapped
    return f(*args, **kwargs)
  File "/opt/homebrew/lib/python3.9/site-packages/kasa/smartdevice.py", line 432, in emeter_realtime
    return EmeterStatus(self._last_update[self.emeter_type]["get_realtime"])
KeyError: 'smartlife.iot.common.emeter'