pip install gi

.travis.yml

@@ -6,7 +6,7 @@ python:
 before_install:
  - sudo apt-get update -qq
  - sudo apt-get install -y python2.7 python-gi python3-gi python3-gi-cairo python-gobject python-gobject-2 gir1.2-glib-2.0 gir1.2-gtk-3.0 python-gi-cairo python-mpltoolkits.basemap python-numpy python-matplotlib python-libhamlib2
-
+ - sudo pip install gi
 install:
   - sudo make install