Don't update homebrew to save CI time

astrofrog · astrofrog · commit 6a40740584fb · 2017-05-29T15:59:48.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -38,7 +38,7 @@ env:
     - PIP_DEPENDENCIES="coveralls"
 
 before_install:
-    - if [[ $TRAVIS_OS_NAME == osx ]]; then brew update; brew install graphviz; fi
+    - if [[ $TRAVIS_OS_NAME == osx ]]; then brew install graphviz; fi
 
 install:
     - git clone git://github.com/astropy/ci-helpers.git
