gistfile1.txt

$ python manage.py buildwatson
Traceback (most recent call last):
  File "manage.py", line 10, in <module>
    execute_from_command_line(sys.argv)
  File "/Users/fubar/venv.d/django-tidb/lib/python2.7/site-packages/django/core/management/__init__.py", line 399, in execute_from_command_line
    utility.execute()
  File "/Users/fubar/venv.d/django-tidb/lib/python2.7/site-packages/django/core/management/__init__.py", line 392, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/Users/fubar/venv.d/django-tidb/lib/python2.7/site-packages/django/core/management/base.py", line 242, in run_from_argv
    self.execute(*args, **options.__dict__)
  File "/Users/fubar/venv.d/django-tidb/lib/python2.7/site-packages/django/core/management/base.py", line 285, in execute
    output = self.handle(*args, **options)
  File "/Users/fubar/venv.d/django-tidb/lib/python2.7/site-packages/django/db/transaction.py", line 431, in inner
    return func(*args, **kwargs)
  File "/Users/fubar/venv.d/django-tidb/lib/python2.7/site-packages/watson/management/commands/buildwatson.py", line 117, in handle
    refreshed_model_count += rebuild_index_for_model(model, engine_slug, verbosity)
  File "/Users/fubar/venv.d/django-tidb/lib/python2.7/site-packages/watson/management/commands/buildwatson.py", line 50, in rebuild_index_for_model
    _bulk_save_search_entries(iter_search_entries())
  File "/Users/fubar/venv.d/django-tidb/lib/python2.7/site-packages/watson/registration.py", line 168, in _bulk_save_search_entries
    search_entry_batch = list(islice(search_entries, 0, batch_size))
  File "/Users/fubar/venv.d/django-tidb/lib/python2.7/site-packages/watson/management/commands/buildwatson.py", line 35, in iter_search_entries
    for search_entry in search_engine_._update_obj_index_iter(obj):
  File "/Users/fubar/venv.d/django-tidb/lib/python2.7/site-packages/watson/registration.py", line 418, in _update_obj_index_iter
    "meta_encoded": json.dumps(adapter.get_meta(obj)),
  File "/usr/local/Cellar/python/2.7.7_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/__init__.py", line 243, in dumps
    return _default_encoder.encode(obj)
  File "/usr/local/Cellar/python/2.7.7_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/encoder.py", line 207, in encode
    chunks = self.iterencode(o, _one_shot=True)
  File "/usr/local/Cellar/python/2.7.7_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/encoder.py", line 270, in iterencode
    return _iterencode(o, 0)
  File "/usr/local/Cellar/python/2.7.7_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/encoder.py", line 184, in default
    raise TypeError(repr(o) + " is not JSON serializable")
TypeError: Country(code=u'RU', flag_url='flags/{code}.gif') is not JSON serializable