numpy         <=1.21.1; python_version == '3.6'
numpy>=1.21.3,<1.22.0;  python_version == '3.7'
numpy>=1.21.3,<1.25.0;  python_version == '3.8'
numpy>=1.26.4;          python_version >= '3.9'
matplotlib>=3.3.0
