File "/builds/aritmos/account_statement_es_csb43/.tox/py27-sqlite/lib/python2.7/site-packages/trytond/modules/account_statement_es_csb43/tests/scenario_account_statement_es_csb43.rst", line 101, in scenario_account_statement_es_csb43.rst
Failed example:
    wcsb43.execute('import_')
Exception raised:
    Traceback (most recent call last):
      File "/usr/local/lib/python2.7/doctest.py", line 1315, in __run
        compileflags, 1) in test.globs
      File "<doctest scenario_account_statement_es_csb43.rst[55]>", line 1, in <module>
        wcsb43.execute('import_')
      File "build/bdist.linux-x86_64/egg/proteus/__init__.py", line 1136, in execute
        ctx)
      File "build/bdist.linux-x86_64/egg/proteus/config.py", line 172, in __call__
        result = rpc.result(meth(*args, **kwargs))
      File "/builds/aritmos/account_statement_es_csb43/.tox/py27-sqlite/lib/python2.7/site-packages/trytond/wizard/wizard.py", line 287, in execute
        return wizard._execute(state_name)
      File "/builds/aritmos/account_statement_es_csb43/.tox/py27-sqlite/lib/python2.7/site-packages/trytond/wizard/wizard.py", line 313, in _execute
        do_result = do(action)
      File "/builds/aritmos/account_statement_es_csb43/.tox/py27-sqlite/lib/python2.7/site-packages/trytond/modules/account_statement/statement.py", line 1063, in do_import_
        Statement.save(statements)
      File "/builds/aritmos/account_statement_es_csb43/.tox/py27-sqlite/lib/python2.7/site-packages/trytond/model/descriptors.py", line 33, in newfunc
        return self.func(owner, *args, **kwargs)
      File "/builds/aritmos/account_statement_es_csb43/.tox/py27-sqlite/lib/python2.7/site-packages/trytond/model/modelstorage.py", line 1484, in save
        news = cls.create([save_values[r] for r in to_create])
      File "/builds/aritmos/account_statement_es_csb43/.tox/py27-sqlite/lib/python2.7/site-packages/trytond/model/modelsql.py", line 595, in create
        field.set(cls, fname, *fargs)
      File "/builds/aritmos/account_statement_es_csb43/.tox/py27-sqlite/lib/python2.7/site-packages/trytond/model/fields/binary.py", line 118, in set
        where=reduce_ids(table.id, ids)))
    ProgrammingError: You must not use 8-bit bytestrings unless you use a text_factory that can interpret 8-bit bytestrings (like text_factory = str). It is highly recommended that you instead just switch your application to Unicode strings.