update travis

Fabian-Robert Stöter · Fabian-Robert Stöter · commit 65f117112537 · 2019-07-05T16:25:12.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,4 +1,10 @@
-cache: pip
+dist: xenial
+
+sudo: true
+
+cache:
+  directories:
+    - $HOME/env
 
 language: python
 
@@ -9,8 +15,7 @@ matrix:
   include:
     - python: 3.6
     - python: 3.7
-      dist: xenial
-      sudo: true
+
 
 before_install:
   - bash .travis_dependencies.sh
