old_contents: import os
  import re
  
  BROWSER = os.environ.get('BROWSER', 'firefox')
  
  # download it here http://chromedriver.storage.googleapis.com/index.html
  CHROME_EXECUTABLE_PATH = \
      os.environ.get('CHROME_EXECUTABLE_PATH', '/usr/bin/google-chrome')
  
  NAILGUN_FOLDER = os.environ.get('NAILGUN_FOLDER')
  
  FOLDER_SCREEN_EXPECTED = os.environ.get(
      'FOLDER_SCREEN_EXPECTED', '/home/nfedotov/testscreens/expected')
  FOLDER_SCREEN_CURRENT = os.environ.get(
      'FOLDER_SCREEN_CURRENT', '/home/nfedotov/testscreens/current')
  
  OPENSTACK_RELEASE_CENTOS = os.environ.get(
      'OPENSTACK_RELEASE_CENTOS', 'Havana on CentOS 6.4 (2013.2.1)')
  OPENSTACK_RELEASE_REDHAT = os.environ.get(
      'OPENSTACK_RELEASE_REDHAT', 'RHOS 3.0 for RHEL 6.4 (2013.1.2)')
  OPENSTACK_RELEASE_UBUNTU = os.environ.get(
      'OPENSTACK_RELEASE_UBUNTU', 'Havana on Ubuntu 12.04 (2013.2.1)')
  
  REDHAT_USERNAME = os.environ.get('REDHAT_USERNAME', 'rheltest')
  REDHAT_PASSWORD = os.environ.get('REDHAT_PASSWORD', 'password')
  REDHAT_SATELLITE = os.environ.get('REDHAT_SATELLITE', 'satellite.example.com')
  REDHAT_ACTIVATION_KEY = os.environ.get(
      'REDHAT_ACTIVATION_KEY', '1234567890')
  
  openstack_name = lambda release: re.sub('\s\\(.*?\\)$', '', release)
  OPENSTACK_CENTOS = openstack_name(OPENSTACK_RELEASE_CENTOS)
  OPENSTACK_REDHAT = openstack_name(OPENSTACK_RELEASE_REDHAT)
  OPENSTACK_UBUNTU = openstack_name(OPENSTACK_RELEASE_UBUNTU)
  
  NAILGUN_FIXTURES = os.environ.get('NAILGUN_FIXTURES', '')
  
  URL_HOME = os.environ.get('URL_HOME', 'http://localhost:8000/')
  
  SELENIUM_IMPLICIT_WAIT = os.environ.get('SELENIUM_IMPLICIT_WAIT', 10)
  
new_contents: import os
  import re
  
  BROWSER = os.environ.get('BROWSER', 'firefox')
  
  # download it here http://chromedriver.storage.googleapis.com/index.html
  CHROME_EXECUTABLE_PATH = \
      os.environ.get('CHROME_EXECUTABLE_PATH', '/usr/bin/google-chrome')
  
  NAILGUN_FOLDER = os.environ.get('NAILGUN_FOLDER')
  
  FOLDER_SCREEN_EXPECTED = os.environ.get(
      'FOLDER_SCREEN_EXPECTED', '/home/nfedotov/testscreens/expected')
  FOLDER_SCREEN_CURRENT = os.environ.get(
      'FOLDER_SCREEN_CURRENT', '/home/nfedotov/testscreens/current')
  
  OPENSTACK_RELEASE_CENTOS = os.environ.get(
      'OPENSTACK_RELEASE_CENTOS', 'Havana on CentOS 6.4 (2013.2.2)')
  OPENSTACK_RELEASE_REDHAT = os.environ.get(
      'OPENSTACK_RELEASE_REDHAT', 'RHOS 3.0 for RHEL 6.4 (2013.2.2)')
  OPENSTACK_RELEASE_UBUNTU = os.environ.get(
      'OPENSTACK_RELEASE_UBUNTU', 'Havana on Ubuntu 12.04 (2013.2.2)')
  
  REDHAT_USERNAME = os.environ.get('REDHAT_USERNAME', 'rheltest')
  REDHAT_PASSWORD = os.environ.get('REDHAT_PASSWORD', 'password')
  REDHAT_SATELLITE = os.environ.get('REDHAT_SATELLITE', 'satellite.example.com')
  REDHAT_ACTIVATION_KEY = os.environ.get(
      'REDHAT_ACTIVATION_KEY', '1234567890')
  
  openstack_name = lambda release: re.sub('\s\\(.*?\\)$', '', release)
  OPENSTACK_CENTOS = openstack_name(OPENSTACK_RELEASE_CENTOS)
  OPENSTACK_REDHAT = openstack_name(OPENSTACK_RELEASE_REDHAT)
  OPENSTACK_UBUNTU = openstack_name(OPENSTACK_RELEASE_UBUNTU)
  
  NAILGUN_FIXTURES = os.environ.get('NAILGUN_FIXTURES', '')
  
  URL_HOME = os.environ.get('URL_HOME', 'http://localhost:8000/')
  
  SELENIUM_IMPLICIT_WAIT = os.environ.get('SELENIUM_IMPLICIT_WAIT', 10)
  
subject: Fix changes in OpenStack Release dropdown