I recently reinstalled firedrake on my Mac OS X because I saw there was an update recently.  Unfortunately, now I am not able to import firedrake.  

>>> import firedrake

Traceback (most recent call last):

  File "<stdin>", line 1, in <module>

  File "firedrake/__init__.py", line 31, in <module>

    from firedrake.assemble import *

  File "firedrake/assemble.py", line 8, in <module>

    from firedrake import assembly_cache

  File "firedrake/assembly_cache.py", line 41, in <module>

    from firedrake.parameters import parameters

  File "firedrake/parameters.py", line 4, in <module>

    from tsfc.constants import default_parameters

  File "/Users/fpoulin/software/firedrake/lib/python2.7/site-packages/tsfc/__init__.py", line 3, in <module>

    from tsfc.driver import compile_form  # noqa

  File "/Users/fpoulin/software/firedrake/lib/python2.7/site-packages/tsfc/driver.py", line 10, in <module>

    from tsfc.quadrature import create_quadrature, QuadratureRule

  File "/Users/fpoulin/software/firedrake/lib/python2.7/site-packages/tsfc/quadrature.py", line 31, in <module>

    from FIAT.reference_element import UFCInterval, UFCTriangle, UFCTetrahedron, \

ImportError: cannot import name FiredrakeQuadrilateral

I am sorry for the bother but any help would be greatly appreciated.

I also want to update it on my ubuntu machine but thought I should do one at a time.

Cheers, Francis