OSError: Not a gzipped file (b'co')

[Huangpq2019]

I downloaded the source code of GroopM and BamM from GitHub(https://github.com/minillinim/GroopM, https://github.com/minillinim/BamM), and installed them according to the commands in the install.txt. When I use the coverage.tsv file to run "groopm parse db.gm assembly.fa coverage.tsv", the following error appears:

Could you help me check how to solve the error?
Thank you!

install.txt