W&B sweeps support (#3938)

* Add support for W&B Sweeps

* Update and reformat

* Update search space

* reformat

* reformat sweep.py

* Update sweep.py

* Move sweeps files to wandb dir

* Remove print

Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>

utils/wandb_logging/wandb_utils.py

@@ -153,7 +153,7 @@ class WandbLogger():
                 self.weights = Path(modeldir) / "last.pt"
                 config = self.wandb_run.config
                 opt.weights, opt.save_period, opt.batch_size, opt.bbox_interval, opt.epochs, opt.hyp = str(
-                    self.weights), config.save_period, config.total_batch_size, config.bbox_interval, config.epochs, \
+                    self.weights), config.save_period, config.batch_size, config.bbox_interval, config.epochs, \
                                                                                                        config.opt['hyp']
             data_dict = dict(self.wandb_run.config.data_dict)  # eliminates the need for config file to resume
         if 'val_artifact' not in self.__dict__:  # If --upload_dataset is set, use the existing artifact, don't download