ultralytics 8.0.43 optimized Results class and fixes (#1069)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Alexander Duda <Alexander.Duda@me.com>
Co-authored-by: Laughing <61612323+Laughing-q@users.noreply.github.com>

ultralytics/yolo/cfg/__init__.py

@@ -18,7 +18,7 @@ CLI_HELP_MSG = \
         yolo TASK MODE ARGS
 
         Where   TASK (optional) is one of [detect, segment, classify]
-                MODE (required) is one of [train, val, predict, export]
+                MODE (required) is one of [train, val, predict, export, track]
                 ARGS (optional) are any number of custom 'arg=value' pairs like 'imgsz=320' that override defaults.
                     See all ARGS at https://docs.ultralytics.com/cfg or with 'yolo cfg'
 
@@ -197,7 +197,7 @@ def entrypoint(debug=''):
 
     # Define tasks and modes
     tasks = 'detect', 'segment', 'classify'
-    modes = 'train', 'val', 'predict', 'export', 'track'
+    modes = 'train', 'val', 'predict', 'export', 'track', 'benchmark'
     special = {
         'help': lambda: LOGGER.info(CLI_HELP_MSG),
         'checks': checks.check_yolo,