$ rustpython --install-pip
downloading get-pip.py...
running get-pip.py...
Collecting pip
  Using cached pip-21.2.2-py3-none-any.whl (1.6 MB)
Collecting setuptools
  Using cached setuptools-57.4.0-py3-none-any.whl (819 kB)
Collecting wheel
  Using cached wheel-0.36.2-py2.py3-none-any.whl (35 kB)
Installing collected packages: wheel, setuptools, pip
Successfully installed pip-21.2.2 setuptools-57.4.0 wheel-0.36.2
$ rustpython -m pip
~/.cargo/bin/rustpython: No module named pip