def _round_half_hour(record):
    k = record.datetime + timedelta(minutes=-(record.datetime.minute % 30))
    return datetime(k.year, k.month, k.day, k.hour, k.minute, 0)
A quantity related to the convergence region of the integral,
dataset/ETHPy150Open yvesalexandre/bandicoot/bandicoot/network.py/_round_half_hour--crossover with--dataset/ETHPy150Open sympy/sympy/sympy/functions/special/hyper.py/meijerg.delta