def start_kernel(argv=None, **kwargs):
 from IPython.kernel.zmq.kernelapp import launch_new_instance
 return launch_new_instance(argv=argv, **kwargs)

def start_kernel ( argv = None , ** kwargs ) : from IPython . kernel . zmq . kernelapp import launch_new_instance return launch_new_instance ( argv = argv , ** kwargs )
launch a normal ipython kernel instance ipython .