Fix missing labels after albumentations (#4455)

* fix missing labels after augmentation * Update datasets.py Cleanup Co-authored-by: Huu Quan <huuquan@HuuQuans-MacBook.local> Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>

Fix missing labels after albumentations (#4455)
1d65e819 · Huu Quan, CAP · GitHub · 6dd7dd8d · 1d65e819
--- a/utils/datasets.py
+++ b/utils/datasets.py
@@ -568,6 +568,7 @@ class LoadImagesAndLabels(Dataset):  # for training/testing
        if self.augment:
            # Albumentations
            img, labels = self.albumentations(img, labels)
+            nl = len(labels) # update after albumentations

            # HSV color-space
            augment_hsv(img, hgain=hyp['hsv_h'], sgain=hyp['hsv_s'], vgain=hyp['hsv_v'])