Don't require the extension to be present when building docs.

diff --git a/.travis.yml b/.travis.yml
index 8a57987f9b90d1b01d35a34b2522ba0d01f7841a..b298ebd995936680311a9d46fac80944ea99347b 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -48,6 +48,7 @@ script:
     - if [[ $TRAVIS_PYTHON_VERSION == 2* && $DEPS == true ]]; then python $TARGET --resolver=tornado.platform.twisted.TwistedResolver; fi
     - if [[ $TRAVIS_PYTHON_VERSION != pypy && $DEPS == true ]]; then python $TARGET --resolver=tornado.platform.caresresolver.CaresResolver; fi
     - if [[ $TRAVIS_PYTHON_VERSION == '3.3' ]]; then python $TARGET --ioloop_time_monotonic; fi
+    - export TORNADO_EXTENSION=0
     - if [[ $TRAVIS_PYTHON_VERSION == '2.7' && $DEPS == true ]]; then cd ../docs && mkdir sphinx-out && sphinx-build -E -n -W -b html . sphinx-out; fi
 
 after_success: