ultralytics 8.0.73 minor fixes (#1929)

Co-authored-by: Yonghye Kwon <developer.0hye@gmail.com>
Co-authored-by: Laughing <61612323+Laughing-q@users.noreply.github.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: joseliraGB <122470533+joseliraGB@users.noreply.github.com>

ultralytics/hub/session.py

@@ -112,10 +112,8 @@ class HUBTrainingSession:
                 raise ValueError('Dataset may still be processing. Please wait a minute and try again.')  # RF fix
             self.model_id = data['id']
 
-            # TODO: restore when server keys when dataset URL and GPU train is working
-
             self.train_args = {
-                'batch': data['batch_size'],
+                'batch': data['batch' if ('batch' in data) else 'batch_size'],  # TODO: deprecate 'batch_size' in 3Q23
                 'epochs': data['epochs'],
                 'imgsz': data['imgsz'],
                 'patience': data['patience'],