old_contents: from django.template import RequestContext
  from django.template.response import TemplateResponse
  
  from pyconcz_2016.speakers.models import Speaker, Slot
  
  
  def speakers_list(request, type):
      speakers = (Speaker.objects.all()
                  .exclude(**{type: None})
                  .prefetch_related(type)
                  .order_by('full_name'))
  
      return TemplateResponse(
          request,
          template='speakers/speakers_list_{}.html'.format(type),
          context={'speakers': speakers}
      )
  
  
  def talks_timeline(request):
      talks = (Slot.objects.all()
                  .select_related('talk')
                  .prefetch_related('talk__speakers')
                  .order_by('date'))
  
      return TemplateResponse(
          request,
          template='speakers/talks_timeline.html',
          context={
              'talks': talks
          }
      )
  
new_contents: from django.template import RequestContext
  from django.template.response import TemplateResponse
  
  from pyconcz_2016.speakers.models import Speaker, Slot
  
  
  def speakers_list(request, type):
      speakers = (Speaker.objects.all()
                  .exclude(**{type: None})
                  .prefetch_related(type)
                  .order_by('full_name'))
  
      return TemplateResponse(
          request,
          template='speakers/{}_list.html'.format(type),
          context={'speakers': speakers}
      )
  
  
  def talks_timeline(request):
      talks = (Slot.objects.all()
                  .select_related('talk')
                  .prefetch_related('talk__speakers')
                  .order_by('date'))
  
      return TemplateResponse(
          request,
          template='speakers/talks_timeline.html',
          context={
              'talks': talks
          }
      )
  
subject: Fix template name in view