grouping moves between invoice and move failed
When trying to group two moves (one from purchase invoice, and one directly created), and I have the following error:
Traceback (most recent call last):
File "/trytond/wsgi.py", line 109, in dispatch_request
return endpoint(request, **request.view_args)
File "/trytond/protocols/dispatcher.py", line 48, in rpc
request, database_name, *request.rpc_params)
File "/trytond/wsgi.py", line 77, in auth_required
return wrapped(*args, **kwargs)
File "/trytond/protocols/wrappers.py", line 131, in wrapper
return func(request, pool, *args, **kwargs)
File "/trytond/protocols/dispatcher.py", line 181, in _dispatch
result = rpc.result(meth(*c_args, **c_kwargs))
File "/trytond/wizard/wizard.py", line 291, in execute
return wizard._execute(state_name)
File "/trytond/wizard/wizard.py", line 322, in _execute
result = self._execute(transition())
File "/trytond/modules/account/move.py", line 1874, in transition_group
move, balance_line = self._group_lines(lines)
File "/trytond/modules/account/move.py", line 1879, in _group_lines
move, balance_line = self.group_lines(lines, self.start.journal, date)
File "/trytond/modules/account/move.py", line 1887, in group_lines
move, balance_line = cls.get_move(lines, grouping, journal, date)
File "/trytond/modules/account/move.py", line 1973, in get_move
maturity_dates[line.account], line.maturity_date)
TypeError: '<' not supported between instances of 'NoneType' and 'datetime.date'
Fault: '<' not supported between instances of 'NoneType' and 'datetime.date'
In am running with tryton-env e9cd7848cd40 (account module at d6e063a8c00b)