pycascading import error

gistfile1.txt

$ ../local_run.sh word_count.py 
*** this cp: ['/Users/benl/Projects/python/pycascading/python/pycascading', '/Users/benl/Projects/python/pycascading/python', '/usr/local/Cellar/jython/2.5.2/libexec/Lib', '__classpath__', '__pyclasspath__/', '/usr/local/Cellar/jython/2.5.2/libexec/Lib/site-packages', u'/usr/local/cascading-2.0.0-wip-262-hadoop-0.20.2+/cascading-core-2.0.0-wip-262.jar', u'/usr/local/cascading-2.0.0-wip-262-hadoop-0.20.2+/cascading-hadoop-2.0.0-wip-262.jar', '.', u'/usr/local', u'/usr/local/python', u'/usr/local/python/Lib']
Traceback (most recent call last):
  File "../python/pycascading/bootstrap.py", line 83, in <module>
    m = imp.load_source('main', sys.argv[2])
  File "word_count.py", line 22, in <module>
    from pycascading.helpers import *
  File "/Users/benl/Projects/python/pycascading/python/pycascading/helpers.py", line 32, in <module>
    from pycascading.decorators import *
  File "/Users/benl/Projects/python/pycascading/python/pycascading/decorators.py", line 57, in <module>
    from pycascading.pipe import DecoratedFunction
  File "/Users/benl/Projects/python/pycascading/python/pycascading/pipe.py", line 39, in <module>
    import cascading.pipe.cogroup
ImportError: No module named cogroup

I'm definitely on the casc2 branch for this.

$ git status
# On branch casc2
nothing to commit (working directory clean)