python --version
3.7.4
pip install splitio_client==8.1.6
...
pip list
Package        Version   
-------------- ----------
certifi        2019.11.28
chardet        3.0.4     
docopt         0.6.2     
enum34         1.1.6     
future         0.18.2    
futures        3.1.1     
idna           2.8       
pip            19.3.1    
PyYAML         5.3       
requests       2.22.0    
setuptools     45.0.0    
six            1.14.0    
splitio-client 8.1.6     
urllib3        1.25.7    
wheel          0.33.6