From 2cfa41948e7ede2b5745593cd848d93fc1f2b080 Mon Sep 17 00:00:00 2001
From: Thomas Grainger <tagrain@gmail.com>
Date: Wed, 25 Nov 2015 12:09:06 +0000
Subject: [PATCH] cache pip correctly

travis auto pip cache is disabled if the install command is changed
---
 .travis.yml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index e58e651e..7ef385e2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,9 @@ sudo: false
 language: python
 python: "3.5"
 
-cache: pip
+cache:
+  directories:
+    - $HOME/.cache/pip
 install:
     - pip install tox