NetCDF4 pyx error

[origudes]

Hey

Any one encountered this error?

Traceback (most recent call last):

  File "<string>", line 263, in execute

  File "netCDF4.pyx", line 797, in init netCDF4 (netCDF4.c:60175)

ImportError: cannot import name _walk_grps

Failed to execute (CreateSpaceTimeCube).

Thanks O