18 duplicated lines in:
  - horovod/torch/compression.py (20:51)
  - horovod/tensorflow/compression.py (20:51)

14 duplicated lines in:
  - horovod/mxnet/mpi_ops.py (31:44)
  - horovod/torch/mpi_ops.py (36:49)
  - horovod/tensorflow/mpi_ops.py (53:66)