Adding deprecation warning for torchvision.models.segmentation.segmentation.

Author: datumbox

torchvision/models/segmentation/segmentation.py

@@ -1,3 +1,11 @@
+import warnings
+
 from .fcn import *
 from .deeplabv3 import *
 from .lraspp import *
+
+
+warnings.warn(
+    "The 'torchvision.models.segmentation.segmentation' module is deprecated. Please use directly the parent module "
+    "instead."
+)