Clicking on "Manage Favorites..." with Favorites form already open raise an 'res_id' error
If you click on "manage favorites" with Favorites form already open it raise this error:
Error: 'res_id'
File "/home/mrichez/Workspace/tryton/tryton_dev/tryton/tryton/gui/main.py", line 447, in _manage_favorites
name=_("Favorites"))
File "/home/mrichez/Workspace/tryton/tryton_dev/tryton/tryton/gui/window/window.py", line 27, in create
if other_page.compare(model, attributes):
File "/home/mrichez/Workspace/tryton/tryton_dev/tryton/tryton/gui/window/form.py", line 89, in compare
and self.res_id == attributes['res_id']