raise UnknownTimeZoneError(zone)
File "/home/soleh/Desktop/GNUHealth-Demo/tryton/tryton/gui/window/form.py", line 341, in sig_new
self.screen.new()
File "/home/soleh/Desktop/GNUHealth-Demo/tryton/tryton/gui/window/view_form/screen/screen.py", line 425, in new
self.switch_view()
File "/home/soleh/Desktop/GNUHealth-Demo/tryton/tryton/gui/window/view_form/screen/screen.py", line 330, in switch_view
self.new(default=default, context=context)
File "/home/soleh/Desktop/GNUHealth-Demo/tryton/tryton/gui/window/view_form/screen/screen.py", line 447, in new
self.display()
File "/home/soleh/Desktop/GNUHealth-Demo/tryton/tryton/gui/window/view_form/screen/screen.py", line 660, in display
view.display()
File "/home/soleh/Desktop/GNUHealth-Demo/tryton/tryton/gui/window/view_form/view/form.py", line 119, in display
widget.display(record, field)
File "/home/soleh/Desktop/GNUHealth-Demo/tryton/tryton/gui/window/view_form/view/form_gtk/calendar.py", line 206, in display
self.show(field.get_client(record))
File "/home/soleh/Desktop/GNUHealth-Demo/tryton/tryton/gui/window/view_form/view/form_gtk/calendar.py", line 213, in show
date = timezoned_date(date)
File "/home/soleh/Desktop/GNUHealth-Demo/tryton/tryton/common/common.py", line 1467, in timezoned_date
szone = pytz.timezone(rpc.TIMEZONE)
File "/usr/lib/python2.7/dist-packages/pytz/__init__.py", line 147, in timezone
raise UnknownTimeZoneError(zone)