fixed service type and removed throw error return types

Author: ktkinsey37

adafruit_ble_magic_light.py

@@ -33,20 +33,20 @@ class MagicLightService(Service):
  uuid=VendorUUID("0000ffe9-0000-1000-8000-00805f9b34fb"), max_length=7
  )
 
- def __init__(self, service: None = None) -> None:
+ def __init__(self, service: Optional["MagicLightService"] = None) -> None:
  super().__init__(service=service)
  self._color = 0xFFFFFF
  self._buf = bytearray(7)
  self._buf[0] = 0x56
  self._buf[6] = 0xAA
  self._brightness = 1.0
 
- def __getitem__(self, index: int) -> IndexError | int:
+ def __getitem__(self, index: int) -> int:
  if index > 0:
  raise IndexError()
  return self._color
 
- def __setitem__(self, index: int, value: int) -> Optional[IndexError]:
+ def __setitem__(self, index: int, value: int) -> None:
  if index > 0:
  raise IndexError()
  if isinstance(value, int):