I am in the middle of the installation of the epics4 masarService (python based Save Compare Restore)
Cothread is a dependency.
$ python
Python 2.7.3 (default, Jul 24 2012, 11:41:40)
[GCC 4.6.3 20120306 (Red Hat 4.6.3-2)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> from cothread.utils import *
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "cothread/__init__.py", line 41, in <module>
from . import cothread
File "cothread/cothread.py", line 79, in <module>
from . import _coroutine
ImportError: cannot import name _coroutine