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accept None value for list

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git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@3445 fd906abe-77d9-0310-91a1-e0d9ade77398
This commit is contained in:
helmutm 2009-07-06 16:18:24 +00:00
parent 6db3c6b2c5
commit edeb72a3e2
1 changed files with 2 additions and 0 deletions
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2
composer/schema/field.py
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@ -303,6 +303,8 @@ class ListFieldInstance(FieldInstance):
def marshall(self, value):
if isinstance(value, basestring):
return value
if value is None:
return u''
return u'\n'.join(self.valueFieldInstance.marshall(v) for v in value)
#return [self.valueFieldInstance.marshall(v) for v in value]