SilverC4t

my solution from stackoverflow: requirements.txt ``` Flask==2.1.0 py-cpuinfo==7.0.0 psutil==5.8.0 gunicorn==20.1.0 black==20.8b1 flake8==3.9.0 pytest==6.2.5 ``` Sources: 1. https://stackoverflow.com/a/71735103/3388671 2. https://stackoverflow.com/a/69569206/3388671