def _get_pretty_string(obj):
    sio = StringIO()
    pprint.pprint(obj, stream=sio)
    return sio.getvalue()
make an ellipse in an input array
dataset/ETHPy150Open pydata/pandas/pandas/computation/scope.py/_get_pretty_string--crossover with--dataset/ETHPy150Open mkenworthy/exorings/exorings.py/ellipse_nest