new_contents: # Generated by Django 2.2.16 on 2021-05-31 15:00
  
  from django.db import migrations
  
  
  PROGRAM_ROLE_IDS = [1434, 2012, 2011, 2184, 2008, 2004, 2005, 2009, 1960, 2061,
                      1986, 2073, 2028, 2226, 1939, 1941, 2139, 2238, 2062, 1961,
                      2060, 1985, 2072, 2027, 2225, 1938, 1942, 2138, 2237, 2063,
                      2010, 1998, 1999, 1962, 1973, 1974, 1997, 2000, 2079, 2076,
                      2074, 2235, 2078, 2077, 2075, 2234, 2162, 2161, 884, 43]
  
  
  def update_program_roles(apps, schema_editor):
      ProgramRole = apps.get_model('accelerator', 'ProgramRole')
      program_roles = ProgramRole.objects.exclude(id__in=PROGRAM_ROLE_IDS)
      for program_role in program_roles:
          program_role.landing_page = ""
          program_role.save()
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('accelerator', '0043_move_user_editable_fields_to_core_profile'),
      ]
  
      operations = [
          migrations.RunPython(update_program_roles,
                               migrations.RunPython.noop)
      ]
  
subject: add migration