old_contents: from django.urls import re_path
  
  from devilry.devilry_statistics.api.assignment import examiner_average_grading_points, examiner_group_results, \
      examiner_details
  
  
  urlpatterns = [
      re_path(r'^assignment/examiner-average-points/(?P<assignment_id>\d+)/(?P<relatedexaminer_id>\d+)$',
          examiner_average_grading_points.ExaminerAverageGradingPointsApi.as_view(),
          name='devilry_assignment_statistics_examiner_average_points'),
      re_path(r'^assignment/examiner-group-results/(?P<assignment_id>\d+)/(?P<relatedexaminer_id>\d+)$',
          examiner_group_results.ExaminerGroupResultApi.as_view(),
          name='devilry_assignment_statistics_examiner_group_results'),
      re_path(r'^assignment/examiner-details/(?P<assignment_id>\d+)/(?P<relatedexaminer_id>\d+)$',
          examiner_details.ExaminerDetailsApi.as_view(),
          name='devilry_assignment_statistics_examiner_details')
  ]
  
  # from django.conf.urls import url
  
  # from devilry.devilry_statistics.api.assignment import examiner_average_grading_points, examiner_group_results, \
  #     examiner_details
  
  
  # urlpatterns = [
  #     url(r'^assignment/examiner-average-points/(?P<assignment_id>\d+)/(?P<relatedexaminer_id>\d+)$',
  #         examiner_average_grading_points.ExaminerAverageGradingPointsApi.as_view(),
  #         name='devilry_assignment_statistics_examiner_average_points'),
  #     url(r'^assignment/examiner-group-results/(?P<assignment_id>\d+)/(?P<relatedexaminer_id>\d+)$',
  #         examiner_group_results.ExaminerGroupResultApi.as_view(),
  #         name='devilry_assignment_statistics_examiner_group_results'),
  #     url(r'^assignment/examiner-details/(?P<assignment_id>\d+)/(?P<relatedexaminer_id>\d+)$',
  #         examiner_details.ExaminerDetailsApi.as_view(),
  #         name='devilry_assignment_statistics_examiner_details')
  # ]
  
new_contents: from django.urls import re_path
  
  from devilry.devilry_statistics.api.assignment import examiner_average_grading_points, examiner_group_results, \
      examiner_details
  
  
  urlpatterns = [
      re_path(r'^assignment/examiner-average-points/(?P<assignment_id>\d+)/(?P<relatedexaminer_id>\d+)$',
          examiner_average_grading_points.ExaminerAverageGradingPointsApi.as_view(),
          name='devilry_assignment_statistics_examiner_average_points'),
      re_path(r'^assignment/examiner-group-results/(?P<assignment_id>\d+)/(?P<relatedexaminer_id>\d+)$',
          examiner_group_results.ExaminerGroupResultApi.as_view(),
          name='devilry_assignment_statistics_examiner_group_results'),
      re_path(r'^assignment/examiner-details/(?P<assignment_id>\d+)/(?P<relatedexaminer_id>\d+)$',
          examiner_details.ExaminerDetailsApi.as_view(),
          name='devilry_assignment_statistics_examiner_details')
  ]
  
subject: remove outcommented code