def run_command(self,
                    args=None,
                    env=None,
                    fixtures=True,
                    fmt='json'):
        args = args or []

        if fixtures is True:
            args.insert(0, '--demo')
        args.insert(0, '--format=%s' % fmt)

        runner = testing.CliRunner()
        return runner.invoke(core.cli, args=args, obj=env or self.env)
Compute the histogram of a remote array a.
dataset/ETHPy150Open softlayer/softlayer-python/SoftLayer/testing/__init__.py/TestCase.run_command--crossover with--dataset/ETHPy150Open ipython/ipython-py3k/docs/examples/newparallel/phistogram.py/phistogram