ultralytics 8.0.141 create new SettingsManager (#3790)

ultralytics/utils/callbacks/raytune.py

@@ -1,9 +1,13 @@
 # Ultralytics YOLO 🚀, AGPL-3.0 license
 
+from ultralytics.utils import SETTINGS
+
 try:
     import ray
     from ray import tune
     from ray.air import session
+
+    assert SETTINGS['raytune'] is True  # verify integration is enabled
 except (ImportError, AssertionError):
     tune = None