travis swig test

.travis.yml

@@ -18,8 +18,11 @@ sudo: required
 # Some discussion: https://github.com/koalaman/shellcheck/issues/785
 before_install:
   - sudo apt-get update
-  - sudo apt-get install -y wget git swig portaudio19-dev libpulse-dev vlc-nox shellcheck
-  - sudo apt-get install -y swig3.0 sox libatlas-base-dev
+  - sudo apt-get install -y wget git portaudio19-dev libpulse-dev vlc-nox shellcheck
+  - sudo apt-get install -y sox libatlas-base-dev
+  - sudo wget http://mirrors.kernel.org/ubuntu/pool/universe/s/swig/swig3.0_3.0.10-1.1_amd64.deb
+  - sudo dpkg -i swig3.0_3.0.10-1.1_amd64.deb
+  - sudo ln -s /usr/bin/swig3.0 /usr/local/bin/swig
 
 install:
   - pip install -r src/requirements.txt