astropy/astropy — pull request #1654 by aconley (2013-10-22 23:07:44+00:00)
Title: Improve the coverage of the astropy.cosmology unit tests

* Use the coverall output to add some unit tests for interesting,
untested functions and branches.
* Add a Tnu method like Tcmb.
* Add a few missing np.exp (replacing exp) for array arguments.
* Closes #1653