Implement yaml.safe_load() (#2876)

* Implement yaml.safe_load()

* yaml.safe_dump()

utils/wandb_logging/log_dataset.py

@@ -9,7 +9,7 @@ WANDB_ARTIFACT_PREFIX = 'wandb-artifact://'
 
 def create_dataset_artifact(opt):
     with open(opt.data) as f:
-        data = yaml.load(f, Loader=yaml.SafeLoader)  # data dict
+        data = yaml.safe_load(f)  # data dict
     logger = WandbLogger(opt, '', None, data, job_type='Dataset Creation')