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from telegram import Update from telegram.ext import ( ApplicationBuilder, CommandHandler, ContextTypes, MessageHandler, filters, ) # pyright: strict async def hello(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None: if update.message and update.effective_user: await update.message.reply_text(f"Hello {update.effective_user.first_name}") async def echo(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None: if update.message and update.message.text: await update.message.reply_text(update.message.text) async def hi(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None: if update.message: await update.message.reply_text("Hi") async def welcome(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None: if update.message: await update.message.reply_text("Welcome") mixed_handlers = [ CommandHandler("hello", hello), MessageHandler(filters.TEXT & ~filters.COMMAND, echo), ] command_handlers = [ CommandHandler("hi", hi), CommandHandler("welcome", welcome), ] app = ApplicationBuilder().token("YOUR TOKEN HERE").build() app.add_handlers(mixed_handlers) app.add_handlers(command_handlers) app.run_polling()
pyright main.py && mypy main.py
Code is properly annotated so pyright and mypy doesn't throw any error.
Both mypy and pyright in strict mode will complain about invariance of
python-telegram-bot/telegram/ext/_application.py
Line 1423 in 0685463
Errors:
1. Argument 1 to "add_handlers" of "Application" has incompatible type "list[CommandHandler[CallbackContext[ExtBot[None], dict[Any, Any], dict[Any, Any], dict[Any, Any]], None]]"; expected "list[BaseHandler[Any, CallbackContext[ExtBot[None], dict[Any, Any], dict[Any, Any], dict[Any, Any]], Any]] | tuple[BaseHandler[Any, CallbackContext[ExtBot[None], dict[Any, Any], dict[Any, Any], dict[Any, Any]], Any]] | dict[int, list[BaseHandler[Any, CallbackContext[ExtBot[None], dict[Any, Any], dict[Any, Any], dict[Any, Any]], Any]] | tuple[BaseHandler[Any, CallbackContext[ExtBot[None], dict[Any, Any], dict[Any, Any], dict[Any, Any]], Any]]]" [arg-type] 2. "List" is invariant -- see https://mypy.readthedocs.io/en/stable/common_issues.html#variance 3. Consider using "Sequence" instead, which is covariant 4. Argument 1 to "add_handlers" of "Application" has incompatible type "list[CommandHandler[CallbackContext[ExtBot[None], dict[Any, Any], dict[Any, Any], dict[Any, Any]], None]]"; expected "list[BaseHandler[Any, CallbackContext[ExtBot[None], dict[Any, Any], dict[Any, Any], dict[Any, Any]], Any]] | tuple[BaseHandler[Any, CallbackContext[ExtBot[None], dict[Any, Any], dict[Any, Any], dict[Any, Any]], Any]] | dict[int, list[BaseHandler[Any, CallbackContext[ExtBot[None], dict[Any, Any], dict[Any, Any], dict[Any, Any]], Any]] | tuple[BaseHandler[Any, CallbackContext[ExtBot[None], dict[Any, Any], dict[Any, Any], dict[Any, Any]], Any]]]" [arg-type] 5. Argument of type "list[CommandHandler[DEFAULT_TYPE, None]]" cannot be assigned to parameter "handlers" of type "List[BaseHandler[Any, DEFAULT_TYPE, Any]] | Tuple[BaseHandler[Any, DEFAULT_TYPE, Any]] | Dict[int, List[BaseHandler[Any, DEFAULT_TYPE, Any]] | Tuple[BaseHandler[Any, DEFAULT_TYPE, Any]]]" in function "add_handlers" Type "list[CommandHandler[DEFAULT_TYPE, None]]" is not assignable to type "List[BaseHandler[Any, DEFAULT_TYPE, Any]] | Tuple[BaseHandler[Any, DEFAULT_TYPE, Any]] | Dict[int, List[BaseHandler[Any, DEFAULT_TYPE, Any]] | Tuple[BaseHandler[Any, DEFAULT_TYPE, Any]]]" "list[CommandHandler[DEFAULT_TYPE, None]]" is not assignable to "List[BaseHandler[Any, DEFAULT_TYPE, Any]]" Type parameter "_T@list" is invariant, but "CommandHandler[DEFAULT_TYPE, None]" is not the same as "BaseHandler[Any, DEFAULT_TYPE, Any]" Consider switching from "list" to "Sequence" which is covariant "list[CommandHandler[DEFAULT_TYPE, None]]" is not assignable to "Tuple[BaseHandler[Any, DEFAULT_TYPE, Any]]" "list[CommandHandler[DEFAULT_TYPE, None]]" is not assignable to "Dict[int, List[BaseHandler[Any, DEFAULT_TYPE, Any]] | Tuple[BaseHandler[Any, DEFAULT_TYPE, Any]]]" [reportArgumentType]
Arch Linux
python 3.12.7
python-telegram-bot 21.6
mypy 1.12.1
pyright 1.1.385
No response
Changing List[BaseHandler[Any, CCT, Any] to Sequence[BaseHandler[Any, CCT, Any] seems to fix the issue.
def add_handlers( self, handlers: Union[ - Union[List[BaseHandler[Any, CCT, Any]], Tuple[BaseHandler[Any, CCT, Any]]], + Sequence[BaseHandler[Any, CCT, Any]], Dict[int, Union[List[BaseHandler[Any, CCT, Any]], Tuple[BaseHandler[Any, CCT, Any]]]], ], group: Union[int, DefaultValue[int]] = _DEFAULT_0, ) -> None:
The text was updated successfully, but these errors were encountered:
Successfully merging a pull request may close this issue.
Steps to Reproduce
pyright main.py && mypy main.pyExpected behaviour
Code is properly annotated so pyright and mypy doesn't throw any error.
Actual behaviour
Both mypy and pyright in strict mode will complain about invariance of
python-telegram-bot/telegram/ext/_application.py
Line 1423 in 0685463
Errors:
Operating System
Arch Linux
Version of Python, python-telegram-bot & dependencies
python 3.12.7
python-telegram-bot 21.6
mypy 1.12.1
pyright 1.1.385
Relevant log output
No response
Additional Context
Changing List[BaseHandler[Any, CCT, Any] to Sequence[BaseHandler[Any, CCT, Any] seems to fix the issue.
def add_handlers( self, handlers: Union[ - Union[List[BaseHandler[Any, CCT, Any]], Tuple[BaseHandler[Any, CCT, Any]]], + Sequence[BaseHandler[Any, CCT, Any]], Dict[int, Union[List[BaseHandler[Any, CCT, Any]], Tuple[BaseHandler[Any, CCT, Any]]]], ], group: Union[int, DefaultValue[int]] = _DEFAULT_0, ) -> None:The text was updated successfully, but these errors were encountered: