[data/imagefolderinference] Fix doc reference

bob/ip/binseg/data/imagefolderinference.py

@@ -25,7 +25,7 @@ class ImageFolderInference(Dataset):
     Generic ImageFolder containing images for inference
 
     Notice that this implementation, contrary to its sister
-    :py:class:`bob.ip.binseg.data.ImageFolder`, does not *automatically*
+    :py:class:`.ImageFolder`, does not *automatically*
     convert the input image to RGB, before passing it to the transforms, so it
     is possible to accomodate a wider range of input types (e.g. 16-bit PNG
     images).