def addCommand(self, name, arguments, runnerPackages=None, watcherPackages=None):
        self.commands.append(Command(name, self, arguments, runnerPackages, watcherPackages))
create a TimeGrouper and return our resampler
dataset/ETHPy150Open mikrosimage/OpenRenderManagement/src/puliclient/__init__.py/Task.addCommand--crossover with--dataset/ETHPy150Open pydata/pandas/pandas/tseries/resample.py/resample