[Zope] problem with External Methods

[marc lindahl]

on 2.3.2 I just tried to add an External Method and got this error -- anyone
have an idea?  Seems like some stuff in ExternalMethod.py isn't getting
initialized (for example, if I initialize func_defaults in the .py I'm
trying to externalize, it gives another error, about func_code).  Is there
requirements of the .py, something that needs to be imported or whatever,
for this product to work?

Error listing:


               Zope Error

               Zope has encountered an error while publishing this resource.

               Error Type: AttributeError
               Error Value: func_defaults



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Traceback (innermost last):
  File /usr/local/zope/Zope-2.3.1/lib/python/ZPublisher/Publish.py, line
223, in publish_module
  File /usr/local/zope/Zope-2.3.1/lib/python/ZPublisher/Publish.py, line
187, in publish
  File /usr/local/zope/Zope-2.3.1/lib/python/Zope/__init__.py, line 221, in
zpublisher_exception_hook
  File /usr/local/zope/Zope-2.3.1/lib/python/ZPublisher/Publish.py, line
171, in publish
  File /usr/local/zope/Zope-2.3.1/lib/python/ZPublisher/mapply.py, line 160,
in mapply
    (Object: manage_addExternalMethod)
  File /usr/local/zope/Zope-2.3.1/lib/python/ZPublisher/Publish.py, line
112, in call_object
    (Object: manage_addExternalMethod)
  File 
/usr/local/zope/Zope-2.3.1/lib/python/Products/ExternalMethod/ExternalMethod
.py, line 131, in manage_addExternalMethod
  File 
/usr/local/zope/Zope-2.3.1/lib/python/Products/ExternalMethod/ExternalMethod
.py, line 179, in __init__
    (Object: mp3info)
  File 
/usr/local/zope/Zope-2.3.1/lib/python/Products/ExternalMethod/ExternalMethod
.py, line 202, in manage_edit
    (Object: mp3info)
  File 
/usr/local/zope/Zope-2.3.1/lib/python/Products/ExternalMethod/ExternalMethod
.py, line 217, in getFunction
    (Object: mp3info)
AttributeError: (see above)