Fix random_perspective param bug in segment (#9512)

* fix random_perspective param bug when mosaic=False

Signed-off-by: FeiGeChuanShu <774074168@qq.com>

* Update dataloaders.py

* Update dataloaders.py

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Signed-off-by: FeiGeChuanShu <774074168@qq.com>
Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

utils/segment/dataloaders.py

@@ -140,17 +140,14 @@ def __getitem__(self, index):
                 labels[:, 1:] = xywhn2xyxy(labels[:, 1:], ratio[0] * w, ratio[1] * h, padw=pad[0], padh=pad[1])
 
             if self.augment:
-                img, labels, segments = random_perspective(
-                    img,
-                    labels,
-                    segments=segments,
-                    degrees=hyp["degrees"],
-                    translate=hyp["translate"],
-                    scale=hyp["scale"],
-                    shear=hyp["shear"],
-                    perspective=hyp["perspective"],
-                    return_seg=True,
-                )
+                img, labels, segments = random_perspective(img,
+                                                           labels,
+                                                           segments=segments,
+                                                           degrees=hyp["degrees"],
+                                                           translate=hyp["translate"],
+                                                           scale=hyp["scale"],
+                                                           shear=hyp["shear"],
+                                                           perspective=hyp["perspective"])
 
         nl = len(labels)  # number of labels
         if nl: