object_detection: python3 compatibility: range creates iterator

[DominikAuras]

In Python 3, range(...) creates an iterator. This leads to a failure here:

models/research/object_detection/utils/learning_schedules.py

Line 153 in 4d1f67c

tf.constant(range(num_boundaries), dtype=tf.int32),

The op tf.constant correctly complains, that it received an iterator, not a list of integers.

Possible fix: use list(range(...)) or adapt tf.constant to accept iterators.

[tensorflowbutler]

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[Harshini-Gadige]

Closing as this is in "awaiting response" status for a long time. Feel free to add comments if any, we will reopen.

[tensorflowbutler]

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