Onenote importer

I want to use onenote importer.
onenote importer:1971641744

But, the following error is displayed.
Please tell me how to deal with it.

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Error
An error occurred. Please start Anki while holding down the shift key, which will temporarily disable the add-ons you have installed.
If the issue only occurs when add-ons are enabled, please use the Tools > Add-ons menu item to disable some add-ons and restart Anki, repeating until you discover the add-on that is causing the problem.
When you’ve discovered the add-on that is causing the problem, please report the issue on the add-on support site.
Debug info:
Anki 2.1.33 (3f403040) Python 3.8.0 Qt 5.14.1 PyQt 5.14.1
Platform: Windows 10
Flags: frz=True ao=True sv=1
Add-ons, last update check: 2020-09-13 15:45:23

Caught exception:
Traceback (most recent call last):
File “C:\Users\shuma\AppData\Roaming\Anki2\addons21\1971641744_ init _.py”, line 67, in importMHT
output = parser.run()
File “C:\Users\shuma\AppData\Roaming\Anki2\addons21\1971641744\parser.py”, line 73, in run
answer = self._strip_newlines(tds[1].renderContents())
IndexError: list index out of range