--- setup.py.orig	2015-10-13 01:59:32.000000000 +1100
+++ setup.py	2017-09-08 09:38:39.000000000 +1000
@@ -117,6 +117,7 @@
     license="GNU GPL",
     platforms=['MacOS X', 'Posix'],
     include_package_data=True,
+    extra_path = 'readline',
     py_modules=['readline'],
     cmdclass={'build_ext' : build_ext_subclass},
     ext_modules=[