Tryton 3.8: pediatrics growth charts do not work in Gnuhealth
Calling the WHO pediatrics growth charts in Gnuhealth gives the traceback:
Traceback (most recent call last):
File "/trytond/protocols/jsonrpc.py", line 162, in _marshaled_dispatch
response['result'] = dispatch_method(method, params)
File "/trytond/protocols/jsonrpc.py", line 191, in _dispatch
res = dispatch(*args)
File "/trytond/protocols/dispatcher.py", line 162, in dispatch
result = rpc.result(meth(*c_args, **c_kwargs))
File "/trytond/wizard/wizard.py", line 275, in execute
return wizard._execute(state_name)
File "/trytond/wizard/wizard.py", line 285, in _execute
view = state.get_view(self, state_name)
File "/trytond/wizard/wizard.py", line 83, in get_view
return Model_.fields_view_get(view_id=view_id, view_type='form')
File "/trytond/model/modelview.py", line 340, in fields_view_get
tree = etree.fromstring(result['arch'], parser)
File "src/lxml/lxml.etree.pyx", line 3213, in lxml.etree.fromstring (src/lxml/lxml.etree.c:77697)
File "src/lxml/parser.pxi", line 1818, in lxml.etree._parseMemoryDocument (src/lxml/lxml.etree.c:116475)
ValueError: can only parse strings
Is this a Tryton problem?