Use travis native cache

Kojoley · Kojoley · commit 9b0bea03bc86 · 2016-07-24T12:58:38.000+03:00
As per https://docs.travis-ci.com/user/caching/
diff --git a/.travis.yml b/.travis.yml
@@ -1,11 +1,10 @@
+language: python
+
 sudo: false
 
 cache:
-  directories:
-    - $HOME/.ccache
-    - $HOME/.cache/pip
-    - $HOME/.cache/matplotlib
-    - $HOME/Library/Caches/pip
+  - ccache
+  - pip
 
 addons:
   apt:
@@ -46,8 +45,6 @@ env:
     - NOSE_ARGS="--processes=$NPROC --process-timeout=300"
     - PYTHON_ARGS=
 
-language: python
-
 matrix:
   include:
     - python: 2.7
