TypeError: iterable argument required

[jagnaldosousa@…]

How to Reproduce

While doing a POST operation on /ticket/12, Trac issued an internal error.

Request parameters:

{'FORM_TOKEN': u'b1ac1bddd7453f7eaee2844a',

    'action': u'resolve', 'action_resolve_resolve_resolution': u'Conclu\xeddo', 'cnum': u'12', 'comment': u, 'field_cc': u'carlos.andre, andre.martins, gilberto.lopes', 'field_component': u'SCAI', 'field_description': u'Cria\xe7\xe3o e ajustes do cronograma do projeto.\r\n\r\nPara efetuar estes levantamentos, siga a metodologia contida em 5Controlar?', 'field_dt_max_impl': u, 'field_estimatedhours': u'0', 'field_keywords': u, 'field_milestone': u'SCAI_5_Controlar', 'field_os_original': u, 'field_priority': u'Normal', 'field_qtd_horas_proj': u, 'field_reporter': u'jose.agnaldo', 'field_summary': u'Cronograma do sistema SCAI', 'field_ticket_pos': u'0 Iniciado', 'field_type': u'Outros', 'field_version': u, 'id': u'12', 'replyto': u, 'submit': u'Submit changes', 'ts': u'2009-05-18 15:10:30+00:00'}

User Agent was: Mozilla/5.0 (Windows; U; Windows NT 5.1; pt-BR; rv:1.9.0.10) Gecko/2009042316 Firefox/3.0.10 System Information ¶ Trac 0.11.4 Python 2.4.3 (#1, Oct 23 2006, 14:19:47) [GCC 4.1.1 20060525 (Red Hat 4.1.1-1)] setuptools 0.6c9 SQLite 3.3.3 pysqlite 2.3.3 Genshi 0.5.1 mod_python 3.2.8 Pygments 0.11.1 Subversion 1.3.2 (r19776) jQuery: 1.2.6 Python Traceback ¶

Traceback (most recent call last):

    File "/usr/lib/python2.4/site-packages/Trac-0.11.4-py2.4.egg/trac/web/main.py", line 435, in _dispatch_request

        dispatcher.dispatch(req)

    File "/usr/lib/python2.4/site-packages/Trac-0.11.4-py2.4.egg/trac/web/main.py", line 205, in dispatch

        resp = chosen_handler.process_request(req)

    File "/usr/lib/python2.4/site-packages/Trac-0.11.4-py2.4.egg/trac/ticket/web_ui.py", line 182, in process_request

        return self._process_ticket_request(req)

    File "/usr/lib/python2.4/site-packages/Trac-0.11.4-py2.4.egg/trac/ticket/web_ui.py", line 504, in _process_ticket_request

        valid = self._validate_ticket(req, ticket) and not problems

    File "/usr/lib/python2.4/site-packages/Trac-0.11.4-py2.4.egg/trac/ticket/web_ui.py", line 970, in _validate_ticket

        for field, message in manipulator.validate_ticket(req, ticket):

    File "/usr/lib/python2.4/site-packages/TracHoursPlugin-0.3.1-py2.4.egg/trachours/hours.py", line 234, in validate_ticket

        can_add_hours = PermissionSystem?(self.env).check_permission('TICKET_ADD_HOURS', user)

    File "/usr/lib/python2.4/site-packages/Trac-0.11.4-py2.4.egg/trac/perm.py", line 425, in check_permission

        perm)

    File "build/bdist.linux-i686/egg/privatetickets/policy.py", line 32, in check_permission

TypeError?: iterable argument required 

[Ryan J Ollos]

Duplicate of #5825. Normally I'd close the higher numbered ticket, but #5825 has a nicer error report.