Results 2 issues of Ming

I am newer to GSVA, And i want to find the sig kegg path using the scrna data. But in the demo scripts, there is no 'group' in the metadata...

when i run command as : $ pip3 install PyVCF==0.6.8 Collecting PyVCF==0.6.8 Using cached PyVCF-0.6.8.tar.gz (34 kB) Preparing metadata (setup.py) ... error ERROR: Command errored out with exit status 1:...