From a40c27ee0ef83f02d828aefb9e9630210bd7e076 Mon Sep 17 00:00:00 2001
From: Wenzel Jakob <wenzel@inf.ethz.ch>
Date: Thu, 21 Jan 2016 19:21:59 +0100
Subject: [PATCH] travis: cache pip

---
 .travis.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 9cd209b37..9a9088fa8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,8 @@
 language: cpp
 sudo: false
+cache:
+  directories:
+  - $HOME/.cache/pip
 addons:
   apt:
     sources: