Add-on error

🐛 Bug
1

Before the error happened, I was…
[Replace this text.]

Error message (don't change this) 
Anki 25.09.2 (3890e12c) (ao)
Python 3.13.5 Qt 6.9.1 PyQt 6.9.1
Platform: macOS-26.4-arm64-arm-64bit-Mach-O

Traceback (most recent call last):

  File "/Users/kaimedinaruiz/Library/Application Support/AnkiProgramFiles/.venv/lib/python3.13/site-packages/aqt/taskman.py", line 152, in raise_exception
    raise exception

  File "/Users/kaimedinaruiz/Library/Application Support/AnkiProgramFiles/.venv/lib/python3.13/site-packages/aqt/taskman.py", line 148, in _on_closures_pending
    closure()
    ~~~~~~~^^

  File "/Users/kaimedinaruiz/Library/Application Support/AnkiProgramFiles/.venv/lib/python3.13/site-packages/aqt/taskman.py", line 88, in <lambda>
    lambda future: self.run_on_main(lambda: on_done(future))
                                            ~~~~~~~^^^^^^^^

  File "/Users/kaimedinaruiz/Library/Application Support/AnkiProgramFiles/.venv/lib/python3.13/site-packages/aqt/operations/__init__.py", line 253, in wrapped_done
    self._failure(exception)
    ~~~~~~~~~~~~~^^^^^^^^^^^

  File "/Users/kaimedinaruiz/Library/Application Support/Anki2/addons21/1322529746/gui/media_sync.py", line 64, in on_failure
    raise exception

  File "/Users/kaimedinaruiz/Library/Application Support/AnkiProgramFiles/python/cpython-3.13.5-macos-aarch64-none/lib/python3.13/concurrent/futures/thread.py", line 59, in run
    result = self.fn(*self.args, **self.kwargs)

  File "/Users/kaimedinaruiz/Library/Application Support/AnkiProgramFiles/.venv/lib/python3.13/site-packages/aqt/operations/__init__.py", line 243, in wrapped_op
    return self._op(mw.col)
           ~~~~~~~~^^^^^^^^

  File "/Users/kaimedinaruiz/Library/Application Support/Anki2/addons21/1322529746/gui/media_sync.py", line 68, in <lambda>
    op=lambda _: self._update_deck_media_and_download_missing_media(),
                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^

  File "/Users/kaimedinaruiz/Library/Application Support/Anki2/addons21/1322529746/gui/media_sync.py", line 136, in _update_deck_media_and_download_missing_media
    missing_media_names = self._missing_media_for_ah_deck(ah_did)

  File "/Users/kaimedinaruiz/Library/Application Support/Anki2/addons21/1322529746/gui/media_sync.py", line 212, in _missing_media_for_ah_deck
    referenced_media = self._media_referenced_by_notes(ah_did)

  File "/Users/kaimedinaruiz/Library/Application Support/Anki2/addons21/1322529746/gui/media_sync.py", line 204, in _media_referenced_by_notes
    media_names.update(get_media_names_from_note_type(note_type))
                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^

  File "/Users/kaimedinaruiz/Library/Application Support/Anki2/addons21/1322529746/common_utils.py", line 207, in get_media_names_from_note_type
    result.update(_extract_underscored_css_imports(note_type["css"]))
                                                   ~~~~~~~~~^^^^^^^

TypeError: 'NoneType' object is not subscriptable

Sentry link (for developers)

2

Hello,

  • Update your AnkiHub add-on:
  1. On your Anki main screen, go to Tools > Add-ons > Check for Updates.
  2. After the update is complete, please restart Anki.

Please reach out to us if the error continues to happen.

3

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