old_contents: from django.conf import settings  # noqa
  from django.utils.translation import ugettext_lazy as _
  
  from appconf import AppConf
  
  
  class ResponsiveAppConf(AppConf):
      """
      While there are several different items we can query on,
      the ones used for django-responsive2 are min-width, max-width, min-height and max-height.
  
      min_width -- Rules applied for any device width over the value defined in the config.
      max_width -- Rules applied for any device width under the value defined in the config.
      min_height -- Rules applied for any device height over the value defined in the config.
      max_height -- Rules applied for any device height under the value defined in the config.
      pixel_ratio -- Rules applied for any device with devicePixelRatio defined in the config.
  
      Usage
      ------
          {% load 'responsive' %}
  
          {% renderblockif 'small' 'medium' %}
              [...]
          {% endrenderblockif %}
  
      """
  
      COOKIE_NAME = 'clientinfo'
      COOKIE_AGE = 365  # days
  
      CACHE_PREFIX = 'responsive_'
      CACHE_DURATION = 60 * 60 * 24 * 356  # 1 year
  
  
      # Borrowed from ZURB Foundation framework.
      # See http://foundation.zurb.com/docs/media-queries.html
      MEDIA_QUERIES = {
          'small': {
              'verbose_name': _('Small screens'),
              'min_width': None,
              'max_width': 640,
          },
          'medium': {
              'verbose_name': _('Medium screens'),
              'min_width': 641,
              'max_width': 1024,
          },
          'large': {
              'verbose_name': _('Large screens'),
              'min_width': 1025,
              'max_width': 1440,
          },
          'xlarge': {
              'verbose_name': _('XLarge screens'),
              'min_width': 1441,
              'max_width': 1920,
          },
          'xxlarge': {
              'verbose_name': _('XXLarge screens'),
              'min_width': 1921,
              'max_width': None,
          }
      }
  
      class Meta:
          prefix = 'responsive'
  
new_contents: from django.conf import settings  # noqa
  from django.utils.translation import ugettext_lazy as _
  
  from appconf import AppConf
  
  
  class ResponsiveAppConf(AppConf):
      """
      While there are several different items we can query on,
      the ones used for django-responsive2 are min-width, max-width, min-height and max-height.
  
      min_width -- Rules applied for any device width over the value defined in the config.
      max_width -- Rules applied for any device width under the value defined in the config.
      min_height -- Rules applied for any device height over the value defined in the config.
      max_height -- Rules applied for any device height under the value defined in the config.
      pixel_ratio -- Rules applied for any device with devicePixelRatio defined in the config.
  
      Usage
      ------
          {% load 'responsive' %}
  
          {% renderblockif 'small' 'medium' %}
              [...]
          {% endrenderblockif %}
  
      """
  
      COOKIE_NAME = 'clientinfo'
      COOKIE_AGE = 365  # days
  
      CACHE_PREFIX = 'responsive_'
      CACHE_DURATION = 60 * 60 * 24 * 356  # 1 year
  
      # Borrowed from ZURB Foundation framework.
      # See http://foundation.zurb.com/docs/media-queries.html
      MEDIA_QUERIES = {
          'small': {
              'verbose_name': _('Small screens'),
              'min_width': None,
              'max_width': 640,
          },
          'medium': {
              'verbose_name': _('Medium screens'),
              'min_width': 641,
              'max_width': 1024,
          },
          'large': {
              'verbose_name': _('Large screens'),
              'min_width': 1025,
              'max_width': 1440,
          },
          'xlarge': {
              'verbose_name': _('XLarge screens'),
              'min_width': 1441,
              'max_width': 1920,
          },
          'xxlarge': {
              'verbose_name': _('XXLarge screens'),
              'min_width': 1921,
              'max_width': None,
          }
      }
  
      class Meta:
          prefix = 'responsive'
  
subject: Remove blank line