Clean up .travis.yml

Author: edschofield

.travis.yml

@@ -1,16 +1,25 @@
 language: python
+
 python:
   - "3.4"
   - "3.3"
   - "2.7"
   - "2.6"
+
 # command to install dependencies, e.g. pip install -r requirements.txt --use-mirrors
 # These packages only exist on Ubuntu 13.04 and newer:
 # before_install:
 #   - sudo apt-get install -qq libpython2.7-testsuite libpython3.3-testsuite
 # No dependencies currently unless using Python 2.6.
+
 install:
   - if [[ $TRAVIS_PYTHON_VERSION == 2.6* ]]; then pip install -r requirements_py26.txt --use-mirrors; fi
   - python setup.py install
+
 # command to run tests, e.g. python setup.py test
-script:  python setup.py test
+
+script:
+  # We might like to get out of the source directory before running tests to
+  # avoid PYTHONPATH confusion? As an example, see here:
+  #     https://github.com/tornadoweb/tornado/blob/master/.travis.yml
+  - python setup.py test