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Y\¬Qc @ s{ d Z d d l m Z d d l m Z d d l m Z d d l m Z m Z m Z m
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Z
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m Z d e j f d YZ d S( s[ Fixer for 'raise E, V, T'
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raise -> raise
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raise E -> raise E
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raise E, V -> raise E(V)
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raise E, V, T -> raise E(V).with_traceback(T)
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raise E, None, T -> raise E.with_traceback(T)
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raise (((E, E'), E''), E'''), V -> raise E(V)
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raise "foo", V, T -> warns about string exceptions
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CAVEATS:
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1) "raise E, V" will be incorrectly translated if V is an exception
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instance. The correct Python 3 idiom is
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raise E from V
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but since we can't detect instance-hood by syntax alone and since
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any client code would have to be changed as well, we don't automate
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this.
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