[Bf-blender-cvs] [f1f8ac39211] blender-v2.83-release: Fix T79031: Batch Generate-Previews doesn't work anymore

[Philipp Oeser]

Commit: f1f8ac3921141feb3d422df93c28579578a3fbf4
Author: Philipp Oeser
Date:   Mon Jul 27 16:10:19 2020 +0200
Branches: blender-v2.83-release
https://developer.blender.org/rBf1f8ac3921141feb3d422df93c28579578a3fbf4

Fix T79031: Batch Generate-Previews doesn't work anymore

Caused by rB19785b96c43f.

Maniphest Tasks: T79031

Differential Revision: https://developer.blender.org/D8400

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

M	release/scripts/modules/bl_previews_utils/bl_previews_render.py

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

diff --git a/release/scripts/modules/bl_previews_utils/bl_previews_render.py b/release/scripts/modules/bl_previews_utils/bl_previews_render.py
index b79c0b744d0..b41ddc59e6a 100644
--- a/release/scripts/modules/bl_previews_utils/bl_previews_render.py
+++ b/release/scripts/modules/bl_previews_utils/bl_previews_render.py
@@ -314,7 +314,7 @@ def do_previews(do_objects, do_collections, do_scenes, do_data_intern):
     do_save = True
 
     if do_data_intern:
-        bpy.ops.wm.previews_clear(id_type='SHADING')
+        bpy.ops.wm.previews_clear(id_type={'SHADING'})
         bpy.ops.wm.previews_ensure()
 
     render_contexts = {}
@@ -439,7 +439,7 @@ def do_previews(do_objects, do_collections, do_scenes, do_data_intern):
 
 def do_clear_previews(do_objects, do_collections, do_scenes, do_data_intern):
     if do_data_intern:
-        bpy.ops.wm.previews_clear(id_type='SHADING')
+        bpy.ops.wm.previews_clear(id_type={'SHADING'})
 
     if do_objects:
         for ob in ids_nolib(bpy.data.objects):