old_contents: from django.conf import settings
  from django.core.management.base import CommandError, BaseCommand
  try:
      from south.management.commands.migrate import Command as MigrateCommand
  except ImportError:
      MigrateCommand = BaseCommand
  
  
  class Command(MigrateCommand):
  
      def handle(self, *args, **options):
          database = options.get('database', 'default')
          if (settings.DATABASES[database]['ENGINE'] == 'tenant_schemas.postgresql_backend' or
                  MigrateCommand is BaseCommand):
              raise CommandError("migrate has been disabled, for database '{}'. Use migrate_schemas "
                                 "instead. Please read the documentation if you don't know why you "
                                 "shouldn't call migrate directly!".format(database))
  
new_contents: from django.conf import settings
  from django.core.management.base import CommandError, BaseCommand
  try:
      from south.management.commands.migrate import Command as MigrateCommand
  except ImportError:
      MigrateCommand = BaseCommand
  
  
  class Command(MigrateCommand):
  
      def handle(self, *args, **options):
          database = options.get('database', 'default')
          if (settings.DATABASES[database]['ENGINE'] == 'tenant_schemas.postgresql_backend' or
                  MigrateCommand is BaseCommand):
              raise CommandError("migrate has been disabled, for database '{}'. Use migrate_schemas "
                                 "instead. Please read the documentation if you don't know why you "
                                 "shouldn't call migrate directly!".format(database))
          super(Command, self).handle(*args, **options)
  
subject: add missed super call to migrate command