example/rcnn/rcnn/core/module.py
python/mxnet/module/bucketing_module.py

example/rcnn/rcnn/core/callback.py
python/mxnet/callback.py

example/reinforcement-learning/dqn/utils.py
python/mxnet/model.py

example/speech_recognition/stt_metric.py
python/mxnet/metric.py

example/rcnn/rcnn/utils/load_model.py
python/mxnet/model.py

example/speech-demo/speechSGD.py
python/mxnet/optimizer.py