Python module error on valid command

Problem statement:

./.local/bin/pyghmiutil mgmt-addres-of-bmc.mycomputers.com bmc_admin power on

Results in an error:

<stack trace snip>
 bmcs = string.split(bmc, ",")
AttributeError: module 'string' has no attribute 'split'

My python version is 3.8. I am not sure what the targeted versions of support are for this project.

bmcs = bmc.split(',')

fixes my problem locally and I believe that line will run in python versions going back to 2.7.