tf.contrib.learn.monitors.StopAtStep.__init__(num_steps=None, last_step=None)
Create a StopAtStep monitor.
This monitor requests stop after either a number of steps have been executed or a last step has been reached. Only of the two options can be specified.
if num_steps is specified, it indicates the number of steps to execute after begin() is called. If instead last_step is specified, it indicates the last step we want to execute, as passed to the step_begin() call.
Args:
num_steps: Number