Python Not Working

I hope this is just something obvious that I'm missing, but I can't get Python to work with Hazel in any way.
I've gone so far as to make the simplest possible Python script that is guaranteed to return a successful execution, and the log lines keep showing an error.
The Incredibly Simple Rule That Fails:

The Resulting Log Lines:
Am I missing something obvious? I've tried following the directions to reinstall Hazel, and that didn't help. I've made sure /usr/bin/python is the right location of my Python binary.
I've gone so far as to make the simplest possible Python script that is guaranteed to return a successful execution, and the log lines keep showing an error.
The Incredibly Simple Rule That Fails:

The Resulting Log Lines:
- Code: Select all
2012-09-14 15:49:08.250 hazelworker[13336] blah.txt: Rule Testing Python matched.
2012-09-14 15:49:08.334 hazelworker[13336] [Error] Shell script failed: Error processing shell script on file /Users/myusername/Desktop/test/blah.txt.
2012-09-14 15:49:08.334 hazelworker[13336] Shellscript exited with non-successful status code: 1
2012-09-14 15:49:08.338 hazelworker[13336] Done processing folder test
Am I missing something obvious? I've tried following the directions to reinstall Hazel, and that didn't help. I've made sure /usr/bin/python is the right location of my Python binary.