Update travis configuration

.travis.yml

@@ -25,21 +25,15 @@ before_install:
 install:
   - pip install -U pip
   # only eggs: do an erreur with wheel
+  - if [[ $TRAVIS_PYTHON_VERSION == '3.3' ]]; then pip install testfixtures; fi
   - if [[ $TRAVIS_PYTHON_VERSION == '3.7-dev' ]]; then pip install python_editor texttable PyYAML; fi
   - if [[ $TRAVIS_PYTHON_VERSION == 'nightly' ]]; then pip install python_editor texttable PyYAML; fi
   # only wheel
   - pip install wheel
-  - pip install psycopg2
-  - pip install sqlalchemy
-  - pip install flake8
-  - pip install coverage
-  - pip install nose
-  - pip install colour
-  - pip install passlib
-  - pip install furl
+  - pip install psycopg2 sqlalchemy  # for unittesting anyblok with postgres
+  - pip install flake8 coverage nose
+  - pip install colour passlib furl phonenumbers pycountry  # special columns
   - if [[ $TRAVIS_PYTHON_VERSION != '3.3' ]]; then pip install cryptography; fi
-  - pip install phonenumbers
-  - pip install pycountry
   - pip install coveralls
   - python setup.py develop