Question about isinstance()

[Rene Pijlman]

Mr.Rech:
>Now, avoiding isinstace() I've written the following code:
>
>class foo(object):
>   ...
>   def __eq__(self, other):
>      try:
>         return self.an_attribute == other.an_attribute
>      except AttributeError:
>         return False

This may give unexpected results when you compare a foo with an instance
of a completely different type that happens to have an attribute called
'an_attribute'.

-- 
René Pijlman

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