def profile(self, parameter_s=''):
        """Print your currently active IPython profile.

        See Also
        --------
        prun : run code using the Python profiler
               (:meth:`~IPython.core.magics.execution.ExecutionMagics.prun`)
        """
        raise UsageError("The `%profile` magic has been deprecated since IPython 2.0. "
            "and removed in IPython 6.0. Please use the value of `get_ipython().profile` instead "
            "to see current profile in use. Perhaps you meant to use `%prun` to profile code?")