core (xml tools): bad default parameter in XMLUI.addList

2013-12-24 01:31:18 +01:00 · 2013-12-24 01:31:18 +01:00 · 5723ee2ef2
commit 5723ee2ef2
parent 7d60564e23
1 changed files with 3 additions and 1 deletions
--- a/src/tools/xml_tools.py
+++ b/src/tools/xml_tools.py
@ -334,8 +334,10 @@ class XMLUI(object):
        elem.setAttribute('value', value)
        return elem

-    def addList(self, options, name=None, value=None, style=set()):
+    def addList(self, options, name=None, value=None, style=None):
        """Add a list of choices"""
+        if style is None:
+            style = set()
        styles = set(style)
        assert options
        assert styles.issubset(['multi'])