[Zope] Python method: recursive function gives NameError

I have a simple recursive function in a Python method that gives a NameError (2.2.4 on Win98). The function (in PM named 'rec'): --- def myfunc(i): if i >= 10: return myfunc(1) else: return 1 return myfunc(11) --- The end of the traceback: --- File c:\myzopeinstance\...cts\PythonMethod\PythonMethod.py, line 168, in __call__ (Object: rec) (Info: ((), {}, None)) File <string>, line 6, in rec (Object: myfunc) File <string>, line 3, in myfunc NameError: (see above) --- Isn't it allowed to have a recursive function here? - Willem