Selection's params attribute should be a dict (or it will be removed by
Romain Courteaud authored
Selection.getParams method), so cast the value to a dict.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@24125 20353a03-c40f-0410-a6d1-a30d3c3de9de
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