Fixes error in transform

bob/learn/pytorch/datasets/utils.py

@@ -274,9 +274,11 @@ class RandomHorizontalFlipImage(object):
     """
     if numpy.random.random() < self.p:
 
-      img=numpy.fliplr(img)
+      imgn=numpy.fliplr(img).copy()
+    else:
+      imgn=img.copy()
 
-    return img
+    return imgn
 
   def __repr__(self):
     return self.__class__.__name__ + '(Flipping Probability={})'.format(self.p)