def METHOD_NAME(self, deps):
    """ deps is list of python modules. Without the prefix. """
    self.bootstrap_buildroot.install_as_root('/usr/bin/pip3', 'python3-setuptools')
    command = [
        'pip3', "install",
        "--root", self.buildroot.make_chroot_path(),
        "--prefix", "/usr",
    ] + deps
    try:
        self.uid_manager.becomeUser(0, 0)
        self.buildroot.doOutChroot(command, shell=False, printOutput=True)
    except:  # pylint: disable=bare-except
        raise ExternalDepsError('Pip3 install failed')
    finally:
        self.uid_manager.restorePrivs()
    self.install_fake_rpm('pypi', deps)