Django 1.9 management command errors

[troygrosfield]

Error when running against django 1.9:

python manage.py update_search_field APP_NAME

Error

Traceback (most recent call last):
  File "manage.py", line 59, in <module>
    execute_from_command_line(sys.argv)
  File "/python3.4/site-packages/django/core/management/__init__.py", line 353, in execute_from_command_line
    utility.execute()
  File "/python3.4/site-packages/django/core/management/__init__.py", line 345, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/python3.4/site-packages/django/core/management/base.py", line 348, in run_from_argv
    self.execute(*args, **cmd_options)
  File "/python3.4/site-packages/django/core/management/base.py", line 399, in execute
    output = self.handle(*args, **options)
  File "/python3.4/site-packages/djorm_pgfulltext/management/commands/update_search_field.py", line 21, in handle
    app_module = models.get_app(app)
AttributeError: 'module' object has no attribute 'get_app'

@linuxlewis, are you still actively maintaining this repo? If not, I would recommend moving it to Jazzband so the community can continue to help support the project.