[Python-bugs-list] [ python-Bugs-443793 ] Subclassed dictionary gives SystemError

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Bugs item #443793, was opened at 2001-07-23 06:49
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Category: type/class unification
Group: Python 2.2
Status: Open
Resolution: None
Priority: 5
Submitted By: Duncan Booth (duncanb)
Assigned to: Guido van Rossum (gvanrossum)
Summary: Subclassed dictionary gives SystemError

Initial Comment:
The following code gives 'SystemError: NULL object 
passed to Py_BuildValue' when run on Python 2.2a1:

--- begin ---
class mydict(dictionary):
    def __setitem__(self, key, value):
        pass

d = mydict()
del d['b'] # This line raises SystemError.
--- end ---

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