Traceback (most recent call last):
File "/dist-packages/trytond/protocols/jsonrpc.py", line 150, in _marshaled_dispatch
response['result'] = dispatch_method(method, params)
File "/dist-packages/trytond/protocols/jsonrpc.py", line 179, in _dispatch
res = dispatch(*args)
File "/dist-packages/trytond/protocols/dispatcher.py", line 161, in dispatch
result = rpc.result(meth(*c_args, **c_kwargs))
File "/dist-packages/trytond/model/modelstorage.py", line 722, in import_data
assert all(len(x) == len_fields_names for x in data)
AssertionError