environment/lib/python2.7/site-packages/IPython/parallel/apps/launcher.py
def start(self, n):
        """Start n instances of the program using mpiexec."""
        self.n = n
        return super(MPILauncher, self).start()
def start(self, n):
        """Start n instances of the program using mpiexec."""
        self.n = n
        return super(MPILauncher, self).start()
Start n instances of the program using mpiexec.