[Zope] 2.6.0 Manage WebDAV locks: 'has_key() takes exactly 1 argument (2 given)'??

[Chris Withers]

Thomas Blatter wrote:
> Hi,
> 
>    when i try to open the WebDAV lock Manager in ZMI i get the 
> 'has_key() takes exactly 1 argument (2 given)' error.

http://collector.zope.org/Zope/651

cheers,

Chris