Remove TODO
The code shadows variables on all replicas and it seems to be the
expected behavior for this function.
@@ -532,7 +532,6 @@ class MovingAverage(object):
Returns:
A context manager.
"""
- # TODO: Do we want to shadow the values on all replicas?
previous_values = []
for variable in self._variables:
previous_values.append(variable.value())
