versionless module makes generating Lmod cache fail

[boegel]

2020-10-23 14:13:31,369 ERROR      root            MainThread 
Lmod to JSON failed: Version != canonical for modulepath /apps/gent/RHEL8/zen2-ib/modules/all name jobcli fullname jobcli: 
{
u'whatis': [u'Description: Resource manager agnostic tool for submitting & managing jobs on HPC clusters', u'Homepage: https://github.com/hpcugent/jobcli'],
u'Description': u'Resource manager agnostic tool for submitting & managing jobs on HPC clusters',
u'wV': u'M.*zfinal',
u'luaExt': 7,
u'Version': False,
u'mpath':
u'/apps/gent/RHEL8/zen2-ib/modules/all',
u'pV': u'M.*zfinal',
u'canonical': u'',
u'fn': u'/apps/gent/RHEL8/zen2-ib/modules/all/jobcli.lua',
u'help': u'Aliases for job commands (qsub, qstat, ...) to corresponding jobcli commands\n'
}