Minor correction.

I remembered from previous installations that I should clear my PYTHONPATH before starting firedrake.  I did that and then got a slightly different error.

>>> import firedrake

Traceback (most recent call last):

  File "<stdin>", line 1, in <module>

  File "/Users/fpoulin/software/firedrake/lib/python2.7/site-packages/firedrake/__init__.py", line 19, in <module>

    import ufl

  File "/Users/fpoulin/software/firedrake/lib/python2.7/site-packages/ufl/__init__.py", line 193, in <module>

    from ufl.utils.sequences import product

  File "/Users/fpoulin/software/firedrake/lib/python2.7/site-packages/ufl/utils/sequences.py", line 21, in <module>

    from six.moves import zip

ImportError: No module named six.moves


It can import petsc4y and other stuff, just not sure what six.moves is and why the module is not found.

Francis