[Zope] strange ZClasses method name

[Filippo Veneri]

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I have defined a ZClass, say I called it 'MyZClass'. Then I added a
Python Script (lets name it 'myPS'), in the methods section of the
ZClass. How can I call that script from the ZClass itself (not from an
instance, which is the common case)?
After some experimentation I found that with the following syntax
I could call myPS from another script:

zClass=context.restrictedTraverse('/Control_Panel/Products/MyProduct/MyZClass')
zClass.propertysheets.methods['myPS ']()
~                                   _

Pleas note the underlined blank in the key used to acces the methods
dictionary. Is this intended? And if so, what is its purpouse?

Thanks

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