[EuroPython] i got an error on the europython registration site

Steve Alexander steve at canonical.com
Wed Apr 20 04:56:32 CEST 2005

I was submitting a talk to europython when I got this error.

The page is:


Going back (using the browser's back button) didn't improve the situation.

I started again from scratch, from the "propose_a_talk" page, and it worked.

Here's the error.

  'NoneType' object has no attribute 'newspeakers'

line 129 in maybeDeferred

128 try:
129     result = f(*args, **kw)
130 except:

kw	{}
f	<bound method Speakers.configurable_speaker of <presentation.Speakers
object at 0x4662d02c>>
args	(<nevow.context.PageContext object at 0x4662d2ac>,)

./presentation.py, line 168 in configurable_speaker

166 if not form:
167     presData = getSession(
168 form = SpeakerForm(presData.newspeakers)
169 sess.setComponent(ISpeakersForm, form)

presData	None
form	None
context	<nevow.context.PageContext object at 0x4662d2ac>
sess	<twisted.web.server.Session instance at 0x4657ab0c>
getSession	<function getSession at 0x40bbe454>
SpeakerForm	<class 'presentation.SpeakerForm'>
ISpeakersForm	<class 'presentation.ISpeakersForm'>
inevow	<module 'nevow.inevow' from
IPresentationForm	<class 'presentation.IPresentationForm'>

exceptions.AttributeError: 'NoneType' object has no attribute 'newspeakers'

Steve Alexander

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