Hi,
I found a bug in FilterMapping class of the z3c.multiform package.
Basically the problem is due to the way the __len__ method is computed.
Attached is a tiny patch for this bug. Feel free to use any copyright
ownership you want for it.
Regards
Lorenzo
Index: multiform/gridform.py
===================================================================
--- multiform/gridform.py (revisión: 69125)
+++ multiform/gridform.py (copia de trabajo)
@@ -129,7 +129,7 @@
def __len__(self):
'''See interface `IReadContainer`'''
- return len(self.keys())
+ return len(tuple(self.keys()))
def __contains__(self, key):
'''See interface `IReadContainer`'''
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