enthought/chaco

Cython 3.0 breaks Kiva builds

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Problem Description

Weekly test run fails with Cython errors after Cython 3.0 was released.

Reproduction Steps:

It looks like pip install . fails in a clean environment.

Build failures seem to be due to generating bad C++ code.

Expected behavior:

Things should compile!

OS, Python version:

Observed on linux and Python 3.11, but likely all OS and Python versions

Ooops - should be in Enable