numba/numba — pull request #460 by laserson (2014-05-29 07:21:02+00:00)
Title: Fixes regression for impyla code that used to use lowering.describe_external

Attempting to construct an `ExternalFunctionDescriptor` was failing due to some details with how `__new__` is used. I simplified the class to use a regular constructor. This makes impyla's tests pass.