Got setup.py to build properly.

Hoyt Koepke · Hoyt Koepke · commit 9c75f36dca93 · 2020-01-02T13:28:59.000-08:00
diff --git a/src/python/setup.py b/src/python/setup.py
@@ -124,7 +124,7 @@ def run(self):
         long_description = f.read().decode('utf-8')
 
     install_requires = [
-        "cython>=3.0",
+        "cython>=0.29",
         "coremltools==3.1",
         "decorator >= 4.0.9",
         "numpy==1.16.4",
