Added an else statement to cover all the cases and avoid a UnboundLocalError.
Merge branch 'master' into fix-datasource
Merge branch 'master' into fix-datasource
Removed the redundant exception.
Pep8.
More pep8.
TST: Remove old SkipTest that is apparently unnecessary now.
DOC: Update CHANGES.txt for PR#160
Merge pull request #190 from enthought/test/remove-skiptest

Remove old unnecessary SkipTest
BUG: numpy changed behavior for all-nan arrays.
Python 2.6 with `system_site_packages: true` was broken.
Merge branch 'fix/travis-ci' into fix/all-nans
Merge pull request #196 from enthought/fix/all-nans

BUG: numpy changed behavior for all-nan arrays.
update travis.yml to run tests when using python 2.7
do not count `_test_case` files into coverage
Fix a reference to a nonexistent class in the MultiLinePlot docstring.
Merge remote-tracking branch 'origin/master' into fix-multi-line-plot-docstring
Merge pull request #202 from enthought/fix-multi-line-plot-docstring

Fix multi line plot docstring
use a better approach for the check
Merge pull request #201 from enthought/fix-travis-ci-python-2.7-test-run

update travis.yml to run tests when using python 2.7