Trailing spaces in messages

[toslunar]

chainer/exporters/caffe.py:386:                        '} \n')
chainer/functions/array/tile.py:20:            msg = 'reps must be int or tuple of ints. \n' \
chainer/testing/array.py:32:            'assert_allclose failed: \n' +
chainermn/global_except_hook.py:22:        sys.stderr.write('ChainerMN: \n')
chainermn/global_except_hook.py:23:        sys.stderr.write('   Uncaught exception on rank {}. \n'.format(rank))
examples/chainermn/imagenet/train_imagenet.py:31:                     'which works only with Python >= 3.4. \n'
tests/chainermn_tests/communicator_tests/test_mpi.py:48:                      "***** The following Open MPI versions have a bug \n" \
tests/chainermn_tests/communicator_tests/test_mpi.py:50:                      "when GPUDirect is used: \n" \

[stale]

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