ubuntu 18.04 run python3.7

sudo apt install python3.7 python3-venv python3.7-venv
python3.7 -m venv py37-venv
. py37-venv/bin/activate
sudo apt install build-essential libssl-dev zlib1g-dev libncurses5-dev libncursesw5-dev libreadline-dev libsqlite3-dev libgdbm-dev libdb5.3-dev libbz2-dev libexpat1-dev liblzma-dev tk-dev libffi-dev

# run your commend
#  ...

deactivate # exit

. py37-venv/bin/activate
# cd your project path
sudo apt install build-essential libssl-dev zlib1g-dev libncurses5-dev libncursesw5-dev libreadline-dev libsqlite3-dev libgdbm-dev libdb5.3-dev libbz2-dev libexpat1-dev liblzma-dev tk-dev libffi-dev
 
pip3.7 install  wheel
pip3.7 install -r  requirements.txt
pip3.7 install -r test-requirements.txt
 
# run your testcase
python -m unittest run cyborg.tests.unit.objects.test_ext_arq_job.TestExtARQJobMixin