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Fix minor typo

Harsh 2023-03-30 22:32:26 +05:30
parent 8744aae6da
commit 411867c894
1 changed files with 1 additions and 1 deletions
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Arbitrary-callback_data.md

@ -11,7 +11,7 @@ This means two things for you:
3. When using the `CallbackQueryHandler`, the `pattern` argument can now be either
* a regex expression, which will be used, if the `callback_data` is in fact a string
* a callable accepting the `callback_data` as only argument. You can perform any kinds of tests on the `callback_data` and return `True` ore `False` accordingly
* a callable accepting the `callback_data` as only argument. You can perform any kinds of tests on the `callback_data` and return `True` or `False` accordingly
* a type. In that case the `CallbackQuery` will be handled, if the `callback_data` is an instance of that type. Btw: This allows you to inform users, when a buttons' data has been dropped from cache. With `CallbackQueryHandler(callback, pattern=InvalidCallbackData)` you can e.g., call `await update.callback_query.answer(text='Button is no longer valid', show_alert=True)` to inform the user.
## Memory Usage