Lu Wang

horovod with adasum fails with multi-GPU instances

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**Environment:** 1. Framework: PyTorch 2. Framework version: 1.10.1 3. Horovod version: 0.23.0 4. MPI version: 4.1.1 5. CUDA version: 11.3 6. NCCL version: 2.10.3 7. Python version: 3.8 8. Spark...

Add autoformat workflow

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Based on: https://github.com/marketplace/actions/autoyapf

Tested on: https://adb-7064161269814046.2.staging.azuredatabricks.net/?o=7064161269814046#notebook/94670986903573/command/94670986903574

When starting the GPU docker image, we will get the following error: ``` Error: Internal error message: Spark error: Driver down cause: java.io.IOException: Cannot run program "virtualenv" (in directory "/local_disk0/.ephemeral_nfs/cluster_libraries"):...