Bug#1086835: groonga: FTBFS: cannot stat './html/_static/webpack-macros.html': No such file or directory

[Kentaro HAYASHI]

> /usr/bin/install: cannot stat './html/_static/webpack-macros.html':
> No such file or directory

It seems that this error was caused by updating
python3-pydata-sphinx-theme (0.15.4+dfsg-2).

Regards,