OBB: Fix when training on zip data (#8680)

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

ultralytics/engine/trainer.py

@@ -129,7 +129,12 @@ class BaseTrainer:
         try:
             if self.args.task == "classify":
                 self.data = check_cls_dataset(self.args.data)
-            elif self.args.data.split(".")[-1] in ("yaml", "yml") or self.args.task in ("detect", "segment", "pose"):
+            elif self.args.data.split(".")[-1] in ("yaml", "yml") or self.args.task in (
+                "detect",
+                "segment",
+                "pose",
+                "obb",
+            ):
                 self.data = check_det_dataset(self.args.data)
                 if "yaml_file" in self.data:
                     self.args.data = self.data["yaml_file"]  # for validating 'yolo train data=url.zip' usage