TypeError: GooCanvas.Canvas.grab_focus() takes exactly 2 arguments (1 given)
When exporting CSV from calendar view, a TypeError is raised:
ERROR:tryton.common.common: File "/home/ced/Projects/tryton/tryton/tryton/gui/window/win_export.py", line 383, in response
self.destroy()
File "/home/ced/Projects/tryton/tryton/tryton/gui/window/win_csv.py", line 322, in destroy
super(WinCSV, self).destroy()
File "/home/ced/Projects/tryton/tryton/tryton/gui/window/nomodal.py", line 35, in destroy
focus.grab_focus()
TypeError: GooCanvas.Canvas.grab_focus() takes exactly 2 arguments (1 given)