[Python-ideas] BindError as a built-in TypeError subclass (on the margin of PEP 362 discussion)

[Steven D'Aprano]

Jan Kaliszewski wrote:

> The present behaviour (ad 2. and 3.), i.e. raising TypeError, makes it
> hard to differentiate call-argument-related errors from other TypeError
> occurrences.
> 
> Raising BindError (or ArgumentError? the actual name is disputable of
> course), being a TypeError instance, instead -- would made easier
> implementing test suites, RPC mechanisms etc.

+1

Since this will be an error that beginners see (frequently), I suggest 
ArgumentError is more friendly than BindError.


-- 
Steven