def _query_absolute(start, end):
    start_time = float(start) # This is here to confirm that the metric can be interpreted as a numeric

    query = {
        "start_absolute" : int(start * 1000)
    }

    if end is not None:
        end_time = float(end)
        query["end_absolute"] = int(end * 1000)

    return query
get an ObjC Class by name
dataset/ETHPy150Open pcn/pyKairosDB/pyKairosDB/reader.py/_query_absolute--crossover with--dataset/ETHPy150Open xraypy/xraylarch/lib/wxlib/allow_idle_macosx.py/GetClass