docs: def install(python=PYTHON):
      """Install into site-packages"""
      local(
          "LIBRARY_PATH={library_path} CPATH={include_path} {python} "
          "setup.py build".format(
              library_path=LIBRARY_PATH,
              include_path=INCLUDE_PATH,
              python=python,
          ))
      local("sudo {python} setup.py install".format(python=python))