Can't create preview

[fugohan]

I was trying to run Ankidown with the person example.

Debuginformationen:
Anki 2.1.22 (0ecc189a) Python 3.8.1 Qt 5.14.1 PyQt 5.14.1
Platform: Linux
Flags: frz=True ao=True sv=1
Add-ons, last update check: 2020-06-10 14:23:14
Möglicherweise beteiligte Erweiterungen: ⁨Ankidown - The advanced importer for Anki⁩

Caught exception:
Traceback (most recent call last):
  File "/home/user/.local/share/Anki2/addons21/38786043/importer.py", line 145, in onPreview
    self.setNote(self.currentNote().note)
  File "/home/user/.local/share/Anki2/addons21/38786043/importer.py", line 185, in setNote
    self.editor.tags.setText(note.stringTags().strip())
AttributeError: 'NoneType' object has no attribute 'stringTags'