test travis against py3

.travis.yml

@@ -58,10 +58,9 @@ addons:
     - liquidsoap-plugin-faad
     - liquidsoap-plugin-vorbis
     - liquidsoap-plugin-opus
-    - python-nose
-    - python-rgain
-    - python-gst-1.0
-    - python-magic
+    - python3-nose
+    - python3-gst-1.0
+    - python3-magic
     - dos2unix
 install:
 - >
@@ -70,9 +69,9 @@ install:
     fi
 - >
     if [[ "$PYTHON" == true ]]; then
-      pip install --user mkdocs 
+      pip3 install --user mkdocs rgain3
       pushd python_apps/airtime_analyzer 
-      python setup.py install --dry-run --no-init-script
+      python3 setup.py install --dry-run --no-init-script
       popd
     fi
 before_script:

travis/python.sh

@@ -5,8 +5,8 @@ set -xe
 [[ "$PYTHON" == false ]] && exit 0
 
 pushd python_apps/airtime_analyzer
-pyenv local 2.7
-pip install -e .
+pyenv local 3.7
+pip3 install -e .
 nosetests -a '!rgain'
 echo "replaygain tests where skipped due to not having a reliable replaygain install on travis."
 popd