old_contents: import os
  try:
      from urllib.parse import urljoin
      from urllib.request import urlopen
  except:
      # for Python 2.7 compatibility
      from urlparse import urljoin
      from urllib2 import urlopen
  
  from django.shortcuts import render
  from django.views import View
  from django.http import HttpResponse
  from django.conf import settings
  
  
  class DataFileView(View):
      file_name = None
  
      def get(self, request):
          csv = self._get_csv()
          return HttpResponse(csv)
  
      def _get_csv(self):
          if hasattr(settings, 'CSV_URL') and settings.CSV_URL is not None and settings.CSV_URL != '':
              url = urljoin(getattr(settings, 'CSV_URL', None), self.file_name)
          elif hasattr(settings, 'CSV_ROOT') and settings.CSV_ROOT is not None and settings.CSV_ROOT != '':
              url = urljoin('file://', getattr(settings, 'CSV_ROOT', None))
              url = urljoin(url, self.file_name)
          with urlopen(url) as response:
              data = response.read()
          return data
  
  
  class MajorCourse(DataFileView):
      file_name = "Majors_and_Courses.csv"
  
  
  class DataMap(DataFileView):
      file_name = "Data_Map.csv"
  
  
  class StudentData(DataFileView):
      file_name = "Student_Data_All_Majors.csv"
  
  
  class StatusLookup(DataFileView):
      file_name = "Status_Lookup.csv"
  
new_contents: import os
  try:
      from urllib.parse import urljoin
      from urllib.request import urlopen
  except:
      # for Python 2.7 compatibility
      from urlparse import urljoin
      from urllib2 import urlopen
  
  from django.shortcuts import render
  from django.views import View
  from django.http import HttpResponse
  from django.conf import settings
  
  
  class DataFileView(View):
      file_name = None
  
      def get(self, request):
          csv = self._get_csv()
          return HttpResponse(csv)
  
      def _get_csv(self):
          try:
              url = urljoin(getattr(settings, 'CSV_URL', None), self.file_name)
              with urlopen(url) as response:
                  data = response.read()
          except ValueError:
              url = urljoin('file://', getattr(settings, 'CSV_ROOT', None))
              url = urljoin(url, self.file_name)
              with urlopen(url) as response:
                  data = response.read()
          except Exception as err:
              data = "Error: {}".format(err)
  
          return data
  
  
  class MajorCourse(DataFileView):
      file_name = "Majors_and_Courses.csv"
  
  
  class DataMap(DataFileView):
      file_name = "Data_Map.csv"
  
  
  class StudentData(DataFileView):
      file_name = "Student_Data_All_Majors.csv"
  
  
  class StatusLookup(DataFileView):
      file_name = "Status_Lookup.csv"
  
subject: Clean up now that we're no longer trying to use CSV_URL.