ultralytics 8.0.33 security updates and fixes (#896)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Mert Can Demir <validatedev@gmail.com>

ultralytics/yolo/engine/validator.py

@@ -119,8 +119,7 @@ class BaseValidator:
                 self.args.workers = 0  # faster CPU val as time dominated by inference, not dataloading
             if not pt:
                 self.args.rect = False
-            self.dataloader = self.dataloader or \
-                              self.get_dataloader(self.data.get("val") or self.data.get("test"), self.args.batch)
+            self.dataloader = self.dataloader or self.get_dataloader(self.data.get(self.args.split), self.args.batch)
 
             model.eval()
             model.warmup(imgsz=(1 if pt else self.args.batch, 3, imgsz, imgsz))  # warmup