修正无需旋转的返回值

photo_review/photo_review.py

@@ -107,7 +107,7 @@ def get_image_rotation_angle(img):
 # 旋转图片
 def rotate_image(img, angle):
     if angle == 0:
-        return
+        return img
     height, width, _ = img.shape
     if angle == 180:
         new_width = width