Handle empty yaml files

LSSTDESC / gen3_workflow

Development code for a Gen3-based DRP pipeline implementation

BSD 3-Clause "New" or "Revised" License

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Handle empty yaml files #38

Closed QLeB closed 2 years ago

QLeB commented 2 years ago

Currently it fails in case a yaml file is empty since md is of type None. This is a suggestion to handle this case, although it is not clear yet to me why a metadata yaml file can be empty.