Update .travis.yml
diff --git a/.travis.yml b/.travis.yml
index 3e8fd11..2d78699 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -53,8 +53,8 @@
       dist: trusty
       env: LINT=1 PYTHON=2.7
       before_install:
-        - sudo apt-get update -qq
-        - sudo apt-get install -qq clang-format-3.8
+        #- sudo apt-get update -qq
+        #- sudo apt-get install -qq clang-format-3.8
       install: []
       script:
         - sudo sh .travis/check-git-clang-format.sh