old_contents: import logging
  logger = logging.getLogger(__name__)
  
  from django.http import Http404
  from django.views.generic import TemplateView
  
  import settings
  
  
  class VerificationView(TemplateView):
      """
      This simply adds the verification key to the view context and makes sure
      we return a 404 if the key wasn't set for the provider
      """
      def get_context_data(self, **kwargs):
          context = super(VerificationView, self).get_context_data(**kwargs)
          try:
              context['%s_verification' % self.provider] = settings.WEBMASTER_VERIFICATION[self.provider]
          except KeyError:
              raise Http404
          except AttributeError:
              logger.info("WEBMASTER_VERIFICATION not defined in settings")
              raise Http404
          return context
  
  
  class GoogleVerificationView(VerificationView):
      template_name = 'webmaster_verification/google_verify_template.html'
      provider = 'google'
  
  
  class BingVerificationView(VerificationView):
      template_name = 'webmaster_verification/bing_verify_template.xml'
      provider = 'bing'
  
  
  class MajesticVerificationView(VerificationView):
      template_name = 'webmaster_verification/majestic_verify_template.txt'
      provider = 'majestic'
  
new_contents: import logging
  logger = logging.getLogger(__name__)
  
  from django.http import Http404
  from django.views.generic import TemplateView
  
  import settings
  
  
  class VerificationView(TemplateView):
      """
      This simply adds the verification key to the view context and makes sure
      we return a 404 if the key wasn't set for the provider
      """
      def get_context_data(self, **kwargs):
          context = super(VerificationView, self).get_context_data(**kwargs)
          try:
              context['%s_verification' % self.provider] = settings.WEBMASTER_VERIFICATION[self.provider]
          except KeyError:
              raise Http404
          except AttributeError:
              logger.info("WEBMASTER_VERIFICATION not defined in settings")
              raise Http404
          return context
  
  
  class VerificationTextView(VerificationView):
      """
      Return proper content type
      """
      def render_to_response(self, context, **kwargs):
          return super(VerificationTextView, self).render_to_response(
              context,
              content_type='text/plain',
              **kwargs
          )
  
  
  class VerificationXMLView(VerificationView):
      """
      Return proper content type
      """
      def render_to_response(self, context, **kwargs):
          return super(VerificationXMLView, self).render_to_response(
              context,
              content_type='text/xml',
              **kwargs
          )
  
  class GoogleVerificationView(VerificationView):
      template_name = 'webmaster_verification/google_verify_template.html'
      provider = 'google'
  
  
  class BingVerificationView(VerificationXMLView):
      template_name = 'webmaster_verification/bing_verify_template.xml'
      provider = 'bing'
  
  
  class MajesticVerificationView(VerificationTextView):
      template_name = 'webmaster_verification/majestic_verify_template.txt'
      provider = 'majestic'
  
subject: Use proper content-type for all files