[ci] set language: python for pypy

diff --git a/.travis.yml b/.travis.yml
index 90cd86e..ce41d57 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,6 +13,7 @@ matrix:
       python: 2.7
       os: linux
     - name: "Linux Python pypy3"
+      language: python
       python: "pypy3"
       os: linux
     - name: "Linux (fftw3, no other deps)"