Removing more packages.

.travis.yml

@@ -8,14 +8,13 @@ virtualenv:
 
 before_install:
  - sudo apt-get update -qq
- - sudo apt-get install -y python2.7 python-gi python3-gi python3-gi-cairo python-gobject gir1.2-gtk-3.0 python-gi-cairo python-mpltoolkits.basemap python-numpy python-matplotlib python-libhamlib2
+ - sudo apt-get install -y python2.7 gir1.2-gtk-3.0 python-gi-cairo python-mpltoolkits.basemap python-numpy python-matplotlib python-libhamlib2
 
 install:
   - sudo make install
 
 before_script:
   - export PYTHONPATH=`pwd`:$PYTHONPATH
-  - "export DISPLAY=:99.0"
   
 script:
   - make unittest