$ python3 -m pip3 install --user simple_gpu_scheduler
/usr/bin/python3: No module named pip3
$ python3 -m pip install --user simple_gpu_scheduler
ERROR: Could not find a version that satisfies the requirement simple_gpu_scheduler (from versions: none)
ERROR: No matching distribution found for simple_gpu_scheduler
$ python3 --version
Python 3.5.2
$ python3 -m pip --version
pip 19.3 from /usr/local/lib/python3.5/dist-packages/pip (python 3.5)
If it requires Python 3.6, then it's not compatible with Ubuntu 16.04 LTS out of the box which uses 3.5