def next(self, x):
"""ensure that the next() is called only once per task."""
if not hasattr(self, 'next_called_n_times'):
self.next_called_n_times = 1
else:
self.next_called_n_times += 1
return SequentialTaskCollection.next(self, x)
def next(self, x):
"""count times next() is called"""
self.next_called_n_times += 1
return SequentialTaskCollection.next(self, x)
def next(self, x):
"""count times next() is called"""
self.next_called_n_times += 1
return SequentialTaskCollection.next(self, x)
