pip3 install --upgrade

pip install --upgrade awscli
pip install --upgrade apache-airflow

 pip install --upgrade 
Defaulting to user installation because normal site-packages is not writeable
ERROR: You must give at least one requirement to install (see "pip help install")

See also

• PIP: [pipx, pip, pip3 | install | install --upgrade | list | show | uninstall | search | install cryptography | --version | help, PIP changelog, pipdeptree, install -r requirements.txt]