Fix mixed up quotes

Signed-off-by: Michal Čihař <michal@cihar.com>

.travis.yml

@@ -47,7 +47,7 @@ script:
   - if [ -z "$DO_LINT" ] ; then coverage run --source=. ./manage.py test --settings weblate.settings_test $TRAVIS_RUN_TESTS ; fi
   - if [ -n "$DO_LINT" ] ; then pep8 --exclude south_migrations,migrations weblate ; fi
   - if [ -n "$DO_LINT" ] ; then pylint --rcfile=pylint.rc weblate ; fi
-  - if [ -n "$DO_LINT" ] ; then pyflakes `find . -name '*.py' -not -name '__init__.py' -not -name 'settings_test_nose.py' -not -name 'settings_test.py'` -not -name 'settings_openshift.py' ; fi
+  - if [ -n "$DO_LINT" ] ; then pyflakes `find . -name '*.py' -not -name '__init__.py' -not -name 'settings_test_nose.py' -not -name 'settings_test.py' -not -name 'settings_openshift.py'` ; fi
 after_script:
   - timestamp.sh coveralls
   - if [ -z "$DO_LINT" ] ; then coveralls ; fi