pip install pip-tools django==3.2.4 requests numpy>=1.19.2,<1.20 pip-compile requirements.in pip install -r requirements.txt pip install pip-tools # requirements.in django==3.2.4 requests numpy>=1.19.2,<1.20 pip-compile requirements.in # requirements.txt django==3.2.4 requests==2.25.1 numpy==1.19.3 pip install -r requirements.txt