Brett Cannon wrote:

> The problem with subclassing NotImplementedError is you need to
> remember it is used to signal that a magic method does not work for a
> specific type and thus should try the __r*__ version.

No, that's done by *returning* NotImplemented, not by
raising an exception at all.

-- 
Greg Ewing, Computer Science Dept, +--------------------------------------+
University of Canterbury,          | A citizen of NewZealandCorp, a       |
Christchurch, New Zealand          | wholly-owned subsidiary of USA Inc.  |
[EMAIL PROTECTED]          +--------------------------------------+
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