> zef_file.seek(zinfo.header_offset, 0) IOError: [Errno 22] Invalid argument

ID: 10420.
I used the fellowing commands.
```
cd code_submission/
zip -r mysubmission.zip *
```

Hi,

We checked your zip file and it is broken. Please try the following and see if it works:

- update you zip version
- clean your submission folder (e.g. remove __pycache__ and unrelated files) before zipping
- then, submit again

Best,
AutoSpeech 2020 Organizing Team