Kui Shi b46248c98f Sync up exceptions.py from oslo
oslo change:
I169b13546bcd0d87353dbca5a9b64229b704fe66

Define _code_map in an expression.

Partial implements: blueprint py33-support

Change-Id: I4b9f5bc083ebe62739a33674d26728d4a8f1a2d6
2013-10-21 17:01:29 +08:00
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2013-10-21 17:01:29 +08:00
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