modified the init in datasets folder

bob/learn/pytorch/datasets/__init__.py

@@ -12,7 +12,25 @@ from .utils import Resize
 from .utils import map_labels
 from .utils import ConcatDataset
 
-
 # gets sphinx autodoc done right - don't remove it
+def __appropriate__(*args):
+    """Says object was actually declared here, and not in the import module.
+  Fixing sphinx warnings of not being able to find classes, when path is
+  shortened. Parameters:
+
+    *args: An iterable of objects to modify
+
+  Resolves `Sphinx referencing issues
+  <https://github.com/sphinx-doc/sphinx/issues/3048>`
+  """
+
+    for obj in args:
+        obj.__module__ = __name__
+
+
+__appropriate__(
+    DataFolder,
+)
+
 __all__ = [_ for _ in dir() if not _.startswith('_')]