[Bf-blender-cvs] [e296c9e24e7] blender-v2.90-release: Fix T79031: Batch Generate-Previews doesn't work anymore

[Philipp Oeser]

Commit: e296c9e24e7e029cbd537251d40e3ea19b54c049
Author: Philipp Oeser
Date:   Mon Jul 27 16:10:19 2020 +0200
Branches: blender-v2.90-release
https://developer.blender.org/rBe296c9e24e7e029cbd537251d40e3ea19b54c049

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 73004cee731..bcb2fe8324d 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):