Edit last commit

Better check if the property is set in case others want to use this
property w/o SKIP_SAVE set.

release/scripts/startup/bl_operators/wm.py

@@ -62,7 +62,6 @@ rna_space_type_prop = EnumProperty(
             for e in bpy.types.Space.bl_rna.properties["type"].enum_items
            ),
         default='EMPTY',
-        options={'SKIP_SAVE'},
         )
 
 
@@ -2360,8 +2359,10 @@ class WM_OT_tool_set_by_name(Operator):
             activate_by_name,
             activate_by_name_or_cycle,
         )
-        space_type = self.space_type
-        if space_type == 'EMPTY':
+
+        if self.properties.is_property_set("space_type"):
+            space_type = self.space_type
+        else:
             space_type = context.space_data.type
 
         fn = activate_by_name_or_cycle if self.cycle else activate_by_name