def is_gray(color):

    m = HEX_IS_GRAY_RE.match(color)
    return m is not None
Replaces the trajectory's service with a queue sender and starts the queue process.
dataset/ETHPy150Open facelessuser/ColorHelper/color_helper_util.py/is_gray--crossover with--dataset/ETHPy150Open SmokinCaterpillar/pypet/pypet/environment.py/MultiprocContext._prepare_queue