Add Numerical:Lib:Packages to sys.path. A workaround for distutils not working.
diff --git a/Mac/Resources/pythonpath.r b/Mac/Resources/pythonpath.r
index 25b59cd..2739b19 100644
--- a/Mac/Resources/pythonpath.r
+++ b/Mac/Resources/pythonpath.r
@@ -87,6 +87,7 @@
 		"$(PYTHON):Extensions:img:Mac",
 		"$(PYTHON):Extensions:img:Lib",
 		"$(PYTHON):Extensions:Numerical:Lib",
+		"$(PYTHON):Extensions:Numerical:Lib:Packages",
 		"$(PYTHON):Extensions:Imaging:PIL",
 		"$(PYTHON):Lib:lib-tk",
 		"$(PYTHON):Lib:site-packages",