OSError: libnccl.so.2: cannot open shared object file: No such file or directory

When calling the mxnet Library in Python, it has always been wrong, as shown in the following figure, this is because the mxnet1.8.0 version is installed. Br> just remove the mxnet CUDA model from the terminal and re install version 1.7.0.

PIP install mxnet-cu100 (CUDA version) = = 1.7.0

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