def __init__(self, reason=None, step_num=None, num_steps=None):
        self.reason = reason
        self.step_num = step_num
        self.num_steps = num_steps
Called just after this File node is successfully built.
dataset/ETHPy150Open Yelp/mrjob/mrjob/step.py/StepFailedException.__init__--crossover with--dataset/ETHPy150Open kayhayen/Nuitka/nuitka/build/inline_copy/lib/scons-2.3.2/SCons/Node/FS.py/File.built