SciTools/iris — pull request #72 by esc24 (2012-09-07 15:49:11+00:00)
Title: Fix to bug causing files to remain open after loading netCDF files.

If you load a netCDF file in Iris, the file remains open even if you ```del``` the resulting cube. This is clearly shown by the output of ```lsof```. This PR fixes the bug in ```cf.py```.