coverage == 3.7.1 ; python_version == '3.2'
coverage ; python_version != '3.2'
coveralls
pyyaml == 3.11 ; python_version == '2.6'
pyyaml ; python_version != '2.6'

coverage == 3.7.1 ; python_version == '3.2'
coverage ; python_version != '3.2'
coveralls
pycparser == 2.18 ; python_version == '2.6'

Revert PyYAML; pycparser 2.6 version
Travis: Revert PyYAML; pycparser 2.6 version
