from haystack.query import SearchQuerySet
>>> sqs = SearchQuerySet().all()
>>> sqs
<SearchQuerySet: query=<haystack.backends.elasticsearch2_backend.Elasticsearch2SearchQuery object at 0x7fb3c438eb70>, using=None>
>>> len(sqs)
GET /haystack/modelresult/_search?_source=true [status:400 request:0.003s]
Failed to query Elasticsearch using '*:*': TransportError(400, 'parsing_exception', 'no [query] registered for [filtered]')
Traceback (most recent call last):
  File "/app/.heroku/python/lib/python3.6/site-packages/django/core/management/commands/shell.py", line 69, in handle
    self.run_shell(shell=options['interface'])
  File "/app/.heroku/python/lib/python3.6/site-packages/django/core/management/commands/shell.py", line 61, in run_shell
    raise ImportError
ImportError

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/app/.heroku/python/lib/python3.6/site-packages/haystack/backends/elasticsearch_backend.py", line 524, in search
    _source=True)
  File "/app/.heroku/python/lib/python3.6/site-packages/elasticsearch/client/utils.py", line 69, in _wrapped
    return func(*args, params=params, **kwargs)
  File "/app/.heroku/python/lib/python3.6/site-packages/elasticsearch/client/__init__.py", line 539, in search
    doc_type, '_search'), params=params, body=body)
  File "/app/.heroku/python/lib/python3.6/site-packages/elasticsearch/transport.py", line 327, in perform_request
    status, headers, data = connection.perform_request(method, url, params, body, ignore=ignore, timeout=timeout)
  File "/app/.heroku/python/lib/python3.6/site-packages/elasticsearch/connection/http_urllib3.py", line 110, in perform_request
    self._raise_error(response.status, raw_data)
  File "/app/.heroku/python/lib/python3.6/site-packages/elasticsearch/connection/base.py", line 114, in _raise_error
    raise HTTP_EXCEPTIONS.get(status_code, TransportError)(status_code, error_message, additional_info)
elasticsearch.exceptions.RequestError: TransportError(400, 'parsing_exception', 'no [query] registered for [filtered]')
0