diff -r 725653080973 -r 48c4d74c5cd9 src/cm/views/texts.py
--- a/src/cm/views/texts.py	Tue Mar 30 14:13:45 2010 +0200
+++ b/src/cm/views/texts.py	Wed Mar 31 12:00:27 2010 +0200
@@ -686,7 +686,7 @@
 
         # override manually to disabled
         format_field = self.fields['format']
-        format_field.widget.attrs = attrs={'disabled':'disabled'}
+        format_field.widget.attrs = {'disabled':'disabled'}
         format_field.required = False
 
         self.fields['format'] = format_field