[youdie006]

Description

#2645 made the sync TextContainsFilter, TextStartsFilter and IsDigitFilter return False when the message has no text, and the sync TextFilter already did. The asyncio_filters versions still raise on such a message (TypeError: argument of type 'NoneType' is not iterable, AttributeError: 'NoneType' object has no attribute 'startswith', ...). In AsyncTeleBot that exception skips the rest of the handlers for the update:

@bot.message_handler(content_types=["photo"], text=asyncio_filters.TextFilter(contains=["#cat"]))
async def on_cat_photo(message): ...

@bot.message_handler(content_types=["photo"])
async def on_any_photo(message): ...

A photo without a caption goes to the exception handler with a TypeError instead of reaching on_any_photo; TeleBot with the same handlers calls on_any_photo. This adds the same None checks to the four async filters.

Describe your tests

Two tests in tests/test_custom_filters.py, next to the sync ones from #2645, using its fixtures; the first fails without the change. cd tests && py.test: 309 passed, 73 skipped (the token-dependent tests).

Python version: 3.11 and 3.14

OS: Linux

Checklist:

• I added/edited example on new feature/change (if exists)
• My changes won't break backward compatibility
• I made changes both for sync and async

Written with AI assistance (Claude); I have reviewed the change.