environment/lib/python2.7/site-packages/IPython/parallel/apps/launcher.py
def on_stop(self, f):
        """Register a callback to be called with this Launcher's stop_data
        when the process actually finishes.
        """
        if self.state=='after':
            return f(self.stop_data)
        else:
            self.stop_callbacks.append(f)
def on_stop(self, f):
        if self.state=='after':
            return f(self.stop_data)
        else:
            self.stop_callbacks.append(f)
def on_stop ( self , f ) : if self . state == 'after' : return f ( self . stop_data ) else : self . stop_callbacks . append ( f )
Register a callback to be called with this Launcher's stop_data
        when the process actually finishes.
Register a callback to be called with this Launcher s stop_data when the process actually finishes .