Convert not working after upgrading to Calibre-web 0.6.22 #3100
Description
Describe the bug/problem
Convert does not work after upgrading to Calibre-web 0.6.22.
Path to Calibre Binaries is correct (/opt/calibre) and indeed, converting from calibre-server works fine.
To Reproduce
Steps to reproduce the behavior:
Converting a books always throws an error.
Logfile
[2024-07-08 14:22:11,048] INFO {cps.editbooks:320} converting: book id: 1977 from: EPUB to: MOBI
[2024-07-08 14:22:11,053] INFO {cps.tasks.convert:159} Book id 1977 - target format of .mobi does not exist. Moving forward with convert.
[2024-07-08 14:22:11,738] INFO {cps.tasks.convert:206} ebook converter failed with error while converting book
[2024-07-08 14:22:11,738] ERROR {cps.tasks.convert:210} Calibre failed with error: ValueError: Empty file: /tmp/calibre_web/metadata_44ed7c43-2e44-4795-be09-2f499330e114.opf
Environment (please complete the following information):
- OS: Debian bookworm
- Python version: 3.11.2-1+b1
- Calibre-Web version: 0.6.22
- Docker container: None
- Special Hardware: None
- Browser: Any