glTF exporter: fix animation tangents

1 files changed, 2 insertions, 1 deletions

diff --git a/io_scene_gltf2/blender/com/gltf2_blender_math.py b/io_scene_gltf2/blender/com/gltf2_blender_math.py
index dd15ce2f..f3a20038 100755
--- a/io_scene_gltf2/blender/com/gltf2_blender_math.py
+++ b/io_scene_gltf2/blender/com/gltf2_blender_math.py
@@ -46,7 +46,7 @@ def list_to_mathutils(values: typing.List[float], data_path: str) -> typing.Unio
     elif target == 'scale':
         return Vector(values)
     elif target == 'value':
-        return values
+        return Vector(values)
 
     return values
 
@@ -145,6 +145,7 @@ def transform_location(location: Vector, transform: Matrix = Matrix.Identity(4))
 
 def transform_rotation(rotation: Quaternion, transform: Matrix = Matrix.Identity(4)) -> Quaternion:
     """Transform rotation."""
+    rotation.normalize()
     m = rotation.to_matrix().to_4x4()
     m = multiply(transform, m)
     return m.to_quaternion()