py26-pyopencl 2011.1.2_0 importing pyopencl causes an error

[wcmclen@…]

I'm seeing the following traceback when I try to import the pyopencl module into Python after installing the ports version:

Python 2.6.7 (r267:88850, Aug 22 2011, 14:13:38) 
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import pyopencl
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/pyopencl/__init__.py", line 19, in <module>
    from decorator import decorator as _decorator
ImportError: No module named decorator

This is on a Snow Leopard system running 10.6.8