importing data to tryton

# example1: party data to tryton _NOT WORKING
"Name","Contact Mechanisms/Type","Contact Mechanisms/Value","Contact Mechanisms/Type","Contact Mechanisms/Value"
"tester","fax","123456","phone","34586565"

# ex2: csv to import party data to tryton _WORKING
"Name","Contact Mechanisms/Type","Contact Mechanisms/Value"
"tester","fax","123456"

## Error on example1:
raceback (most recent call last):
  File "/trytond/protocols/jsonrpc.py", line 123, in _marshaled_dispatch
    response['result'] = dispatch_method(method, params)
  File "/trytond/protocols/jsonrpc.py", line 156, in _dispatch
    res = dispatch(*args)
  File "/trytond/protocols/dispatcher.py", line 158, in dispatch
    result = rpc.result(meth(*args, **kwargs))
  File "/trytond/model/modelstorage.py", line 749, in import_data
    assert all(len(x) == len_fields_names for x in data)
AssertionError