Fix docs and examples (#864)

* Update magic_data Allowed handlers

* Fix ChatMemberUpdated example

* Fix examples with `.in_(...)` and delete with `@`

* Fix commands in examples

* Change List to Set

examples/echo_bot.py

@@ -10,7 +10,7 @@ dp = Dispatcher()
 logger = logging.getLogger(__name__)
 
 
-@dp.message(commands={"start"})
+@dp.message(commands=["start"])
 async def command_start_handler(message: Message) -> None:
     """
     This handler receive messages with `/start` command
@@ -23,7 +23,7 @@ async def command_start_handler(message: Message) -> None:
 
 
 @dp.message()
-async def echo_handler(message: types.Message) -> Any:
+async def echo_handler(message: types.Message) -> None:
     """
     Handler will forward received message back to the sender
 

examples/finite_state_machine.py

@@ -18,7 +18,7 @@ class Form(StatesGroup):
     language = State()
 
 
-@form_router.message(commands={"start"})
+@form_router.message(commands=["start"])
 async def command_start(message: Message, state: FSMContext) -> None:
     await state.set_state(Form.name)
     await message.answer(
@@ -27,7 +27,7 @@ async def command_start(message: Message, state: FSMContext) -> None:
     )
 
 
-@form_router.message(commands={"cancel"})
+@form_router.message(commands=["cancel"])
 @form_router.message(F.text.casefold() == "cancel")
 async def cancel_handler(message: Message, state: FSMContext) -> None:
     """

examples/multibot.py

@@ -40,7 +40,7 @@ def is_bot_token(value: str) -> Union[bool, Dict[str, Any]]:
 
 
 @main_router.message(Command(commands=["add"], command_magic=F.args.func(is_bot_token)))
-async def command_add_bot(message: Message, command: CommandObject, bot: Bot):
+async def command_add_bot(message: Message, command: CommandObject, bot: Bot) -> Any:
     new_bot = Bot(token=command.args, session=bot.session)
     try:
         bot_user = await new_bot.get_me()

examples/specify_updates.py

@@ -13,7 +13,7 @@ logger = logging.getLogger(__name__)
 logging.basicConfig(level=logging.INFO)
 
 
-@dp.message(commands={"start"})
+@dp.message(commands=["start"])
 async def command_start_handler(message: Message) -> None:
     """
     This handler receive messages with `/start` command