fix crop

app.py

@@ -1297,7 +1297,7 @@ def make_dataset_images_section(advanced=False, is_random=False):
         del dataset
         
         if dataset_name in CENTER_CROP_DATASETS:
-            def center_crop_image(image):
+            def center_crop_image(img):
                 # image: PIL image
                 w, h = img.size
                 min_hw = min(h, w)
@@ -1308,7 +1308,7 @@ def make_dataset_images_section(advanced=False, is_random=False):
                 bottom = top + min_hw
                 print(left, top, right, bottom)
                 img = img.crop((left, top, right, bottom))
-                return image
+                return img
             images = [center_crop_image(image) for image in images]
         
         return images