Empty Fan fails to compile

[thargy]

When I use the empty_fan component, I get the following:

INFO ESPHome 2023.9.1
INFO Reading configuration hot-water-controller.yaml...
INFO Generating C++ source...
Traceback (most recent call last):
  File "<frozen runpy>", line 198, in _run_module_as_main
  File "<frozen runpy>", line 88, in _run_code
  File "C:\Python311\Scripts\esphome.exe\__main__.py", line 7, in <module>
  File "C:\Python311\Lib\site-packages\esphome\__main__.py", line 1036, in main
    return run_esphome(sys.argv)
           ^^^^^^^^^^^^^^^^^^^^^
  File "C:\Python311\Lib\site-packages\esphome\__main__.py", line 1023, in run_esphome
    rc = POST_CONFIG_ACTIONS[args.command](args, config)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Python311\Lib\site-packages\esphome\__main__.py", line 403, in command_compile
    exit_code = write_cpp(config)
                ^^^^^^^^^^^^^^^^^
  File "C:\Python311\Lib\site-packages\esphome\__main__.py", line 189, in write_cpp
    generate_cpp_contents(config)
  File "C:\Python311\Lib\site-packages\esphome\__main__.py", line 201, in generate_cpp_contents
    CORE.flush_tasks()
  File "C:\Python311\Lib\site-packages\esphome\core\__init__.py", line 642, in flush_tasks
    self.event_loop.flush_tasks()
  File "C:\Python311\Lib\site-packages\esphome\coroutine.py", line 246, in flush_tasks
    next(task.iterator)
  File "C:\Python311\Lib\site-packages\esphome\__main__.py", line 181, in wrapped
    await coro(conf)
  File "C:\Python311\Lib\site-packages\esphome\coroutine.py", line 80, in coro
    ret = yield from _flatten_generator(gen)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Python311\Lib\site-packages\esphome\coroutine.py", line 132, in _flatten_generator
    to_send = yield from val.__await__()
              ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Python311\Lib\site-packages\esphome\components\fan\__init__.py", line 168, in create_fan_state
    await cg.register_component(var, config)
  File "C:\Python311\Lib\site-packages\esphome\cpp_helpers.py", line 56, in register_component
    raise ValueError(
ValueError: Component ID fan_speed was not declared to inherit from Component, or was registered twice. Please create a bug report with your configuration.
sys:1: RuntimeWarning: coroutine 'to_code' was never awaited
sys:1: RuntimeWarning: coroutine 'add_arduino_global_workaround' was never awaited
sys:1: RuntimeWarning: coroutine '_add_platformio_options' was never awaited

for

fan:
  - platform: empty_fan
    id: fan_speed
    output: fan_pwm
    name: "Fan Speed"