meanmee removed a comment on issue #12363: distributed training notebook tests URL: https://github.com/apache/incubator-mxnet/issues/12363#issuecomment-416130112 I download the mxnet source code, but didn't compile since i used the mxnet installed by pip. when i use the launch.py provided in the mxnet source code, some errors shows up: xiaomin.wu@iva0605:/autofs/data56/public/xiaomin.wu/code/dist_mxnet_test$ python /autofs/data56/public/xiaomin.wu/software/incubator-mxnet-1.2.0/tools/launch.py -n 2 -s 2 -H hosts --sync-dst-dir /home/xiaomin.wu/cifar10_dist --launcher ssh "python /autofs/data56/public/xiaomin.wu/code/dist_mxnet_test/cifar10_dist.py" Can't load dmlc_tracker package. Perhaps you need to run git submodule update --init --recursive Traceback (most recent call last): File "/autofs/data56/public/xiaomin.wu/software/incubator-mxnet-1.2.0/tools/launch.py", line 128, in <module> main() File "/autofs/data56/public/xiaomin.wu/software/incubator-mxnet-1.2.0/tools/launch.py", line 96, in main args = dmlc_opts(args) File "/autofs/data56/public/xiaomin.wu/software/incubator-mxnet-1.2.0/tools/launch.py", line 48, in dmlc_opts from dmlc_tracker import opts ImportError: No module named dmlc_tracker
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