.travis.yml: install nose2

diff --git a/.travis.yml b/.travis.yml
index 9bd6a81..000b267 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -62,6 +62,9 @@ addons:
     - libfftw3-dev
     - sox
 
+install:
+  - travis_retry pip install nose2
+
 script:
   - echo make create_test_sounds disabled for now
   - make build