def METHOD_NAME(self):
    """
    Install the Jupyter kernel spec.
    .. NOTE::
        The files are generated, not copied. Therefore, we cannot
        use ``data_files`` for this.
    """
    from sage.repl.ipython_kernel.install import SageKernelSpec
    # Jupyter packages typically use the data_files option to
    # setup() to install kernels and nbextensions. So we should use
    # the install_data directory for installing our Jupyter files.
    SageKernelSpec.update(prefix=self.install_data)