diff --git a/release/scripts/io/export_obj.py b/release/scripts/io/export_obj.py
index 2d039bfd45c..046ae9ecf99 100644
--- a/release/scripts/io/export_obj.py
+++ b/release/scripts/io/export_obj.py
@@ -513,7 +513,7 @@ def write(filename, objects, scene,
                 # XXX update
                 tface = me.active_uv_texture.data
 
-                face_index_pairs.sort(key=lambda a: (a[0].material_index, tface[a[1]].image, a[0].smooth))
+                face_index_pairs.sort(key=lambda a: (a[0].material_index, hash(tface[a[1]].image), a[0].smooth))
             elif len(materials) > 1:
                 face_index_pairs.sort(key = lambda a: (a[0].material_index, a[0].smooth))
             else:
diff --git a/source/blender/python/generic/IDProp.c b/source/blender/python/generic/IDProp.c
index 30b3de0575b..decc28198ff 100644
--- a/source/blender/python/generic/IDProp.c
+++ b/source/blender/python/generic/IDProp.c
@@ -254,7 +254,7 @@ static int idp_sequence_type(PyObject *seq)
 				return -1;
 			}
 		}
-		else if (PyMapping_Check(item)) { /*do nothing */
+		else if (PyMapping_Check(item)) {
 			if(i != 0 && (type != IDP_IDPARRAY)) { /* mixed dict/int */
 				Py_DECREF(item);
 				return -1;