old_contents: from django.conf.urls import patterns, url
  from django.conf import settings
  from django.contrib.auth.decorators import login_required
  from django.http import HttpResponse
  from django.views.decorators.csrf import csrf_exempt
  from django.utils import timezone
  
  # LMS Interface
  urlpatterns = patterns('peer_grading.lms_interface',
      url(r'^get_next_submission/$', 'get_next_submission'),
      url(r'^save_grade/$', 'save_grade'),
      url(r'^is_calibrated/$', 'is_student_calibrated'),
  )
  
  # Temporary stub view
  urlpatterns = patterns('peer_grading.views',
      url(r'^peer_grading/$', 'peer_grading'),
  )
new_contents: from django.conf.urls import patterns, url
  from django.conf import settings
  from django.contrib.auth.decorators import login_required
  from django.http import HttpResponse
  from django.views.decorators.csrf import csrf_exempt
  from django.utils import timezone
  
  # LMS Interface
  urlpatterns = patterns('peer_grading.lms_interface',
      url(r'^get_next_submission/$', 'get_next_submission'),
      url(r'^save_grade/$', 'save_grade'),
      url(r'^is_calibrated/$', 'is_student_calibrated'),
      url(r'^get_calibration_essay/$', 'get_calibration_essay'),
      url(r'^save_calibration_essay/$', 'save_calibration'),
  )
  
  # Temporary stub view
  urlpatterns = patterns('peer_grading.views',
      url(r'^peer_grading/$', 'peer_grading'),
  )
subject: Add calibration peer grading urls