When running single_gpu_node_dp_template.pj, missing 'dp' or 'ddp' param
Common bugs:

When running single_gpu_node_dp_template.pj, missing 'dp' or 'ddp' param
PyTorch 1.1.0 vs 1.2.0 support see FAQ

Describe the bug
When running single_gpu_node_dp_template.pj, missing 'dp' or 'ddp' param.
To Reproduce
Steps to reproduce the behavior:

Run sample py file with a GPU or GPUs machine
error :  When using multiple GPUs set Trainer(distributed_backend=dp) (or ddp)

Expected behavior
we should have one more argument in the gpu args
Screenshots
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Desktop (please complete the following information):

OS: Linux
Visual Code
Version 1.38.1

Additional context
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