[Bf-extensions-cvs] [70037202] master: glTF exporter: fix crash when armature action is linked to mesh object

[Julien Duroure]

Commit: 7003720257c96b3ec9ec870e19249ffc27db1caf
Author: Julien Duroure
Date:   Sun Nov 24 08:30:08 2019 +0100
Branches: master
https://developer.blender.org/rBA7003720257c96b3ec9ec870e19249ffc27db1caf

glTF exporter: fix crash when armature action is linked to mesh object

===================================================================

M	io_scene_gltf2/__init__.py
M	io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channels.py

===================================================================

diff --git a/io_scene_gltf2/__init__.py b/io_scene_gltf2/__init__.py
index 8e83de6c..0c215977 100755
--- a/io_scene_gltf2/__init__.py
+++ b/io_scene_gltf2/__init__.py
@@ -15,7 +15,7 @@
 bl_info = {
     'name': 'glTF 2.0 format',
     'author': 'Julien Duroure, Norbert Nopper, Urs Hanselmann, Moritz Becher, Benjamin Schmithüsen, Jim Eckerlein, and many external contributors',
-    "version": (1, 1, 13),
+    "version": (1, 1, 14),
     'blender': (2, 81, 6),
     'location': 'File > Import-Export',
     'description': 'Import-Export as glTF 2.0',
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channels.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channels.py
index 8f2f036e..81a528cf 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channels.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channels.py
@@ -94,6 +94,11 @@ def __get_channel_group_sorted(channels: typing.Tuple[bpy.types.FCurve], blender
         first_channel = channels[0]
         object_path = get_target_object_path(first_channel.data_path)
         if object_path:
+            if not blender_object.data.shape_keys:
+                # Something is wrong. Maybe the user assigned an armature action
+                # to a mesh object. Returning without sorting
+                return channels
+
             # This is shapekeys, we need to sort channels
             shapekeys_idx = {}
             cpt_sk = 0