setup.py: Check to see if the first command is a build or install command to determine whether there should be any `setup_requires`.
setup.py: Check to see if the first command is a build or install command to determine whether there should be any `setup_requires`.

DudLab/rank_filter,nanshe-org/rank_filter,jakirkham/rank_filter,jakirkham/rank_filter,nanshe-org/rank_filter,DudLab/rank_filter,DudLab/rank_filter,nanshe-org/rank_filter,jakirkham/rank_filter