multiple flask versions

.travis.yml

@@ -10,9 +10,18 @@ cache:
     - $HOME/.runtimes
     - $HOME/.wheelhouse
 
+env:
+  - VERSION_FLASK="0.10"
+  - VERSION_FLASK="dev"
+
 python:
   - "2.7"
 
+matrix:
+  allow_failures:
+    - env: VERSION_FLASK="dev"
+  fast_finish: true
+
 services:
   - elasticsearch
 
@@ -21,9 +30,10 @@ install:
   - "python setup.py install"
 
 before_script:
+  - 'if [[ $VERSION_FLASK = dev ]]; then pip install git+https://github.com/mitsuhiko/flask; else pip install --force flask==$VERSION_FLASK; fi'
   - sleep 10 # wait for elasticsearch
 
 script:
   - 'flake8'
-  - python setup.py test
+  - nosetests
   - "python setup.py build_sphinx"