W&B resume ddp from run link fix (#2579)

* W&B resume ddp from run link fix

* Native DDP W&B support for training, resuming

train.py

@@ -33,7 +33,7 @@ from utils.google_utils import attempt_download
 from utils.loss import ComputeLoss
 from utils.plots import plot_images, plot_labels, plot_results, plot_evolution
 from utils.torch_utils import ModelEMA, select_device, intersect_dicts, torch_distributed_zero_first, is_parallel
-from utils.wandb_logging.wandb_utils import WandbLogger, resume_and_get_id
+from utils.wandb_logging.wandb_utils import WandbLogger, check_wandb_resume
 
 logger = logging.getLogger(__name__)
 
@@ -496,7 +496,7 @@ if __name__ == '__main__':
         check_requirements()
 
     # Resume
-    wandb_run = resume_and_get_id(opt)
+    wandb_run = check_wandb_resume(opt)
     if opt.resume and not wandb_run:  # resume an interrupted run
         ckpt = opt.resume if isinstance(opt.resume, str) else get_latest_run()  # specified or most recent path
         assert os.path.isfile(ckpt), 'ERROR: --resume checkpoint does not exist'