def __init__(cls, name, bases, dct):
    type.__init__(cls, name, bases, dct)
    # Base classes may never be initialized.
    if cls.__bases__ != (object,):
      cls.__initialized = True
Download missing source distributions.
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/protorpc/protorpc/messages.py/_DefinitionClass.__init__--crossover with--dataset/ETHPy150Open paylogic/pip-accel/pip_accel/__init__.py/PipAccelerator.download_source_dists