ran squad_to_dpr.py, got an error

[Chuweiii]

I am running the squad_to_dpr.py and got the following error. I wonder if anyone has any clue of this? thanks a lot!

WARNING:elasticsearch:POST http://localhost:9200/document/_search [status:400 request:0.004s]
  0%|                                                                                | 0/35 [00:00<?, ?article/s] 
Traceback (most recent call last):
  File "c:\Users\dell\Downloads\squad_to_dpr.py", line 342, in <module>
    main(
  File "c:\Users\dell\Downloads\squad_to_dpr.py", line 285, in main
    save_dataset(
  File "c:\Users\dell\Downloads\squad_to_dpr.py", line 215, in save_dataset
    json.dump(list(set_iter), json_ds, indent=4, ensure_ascii=False)
  File "c:\Users\dell\Downloads\squad_to_dpr.py", line 173, in create_dpr_training_dataset
    hard_negative_ctxs = get_hard_negative_contexts(
  File "c:\Users\dell\Downloads\squad_to_dpr.py", line 220, in get_hard_negative_contexts
    retrieved_docs = retriever.retrieve(query=question, top_k=n_ctxs, index="document")
  File "C:\Users\dell\anaconda3\lib\site-packages\haystack\nodes\retriever\sparse.py", line 228, in retrieve      
    documents = document_store.query(
  File "C:\Users\dell\anaconda3\lib\site-packages\haystack\document_stores\search_engine.py", line 878, in query  
    result = self.client.search(index=index, body=body, headers=headers)["hits"]["hits"]
  File "C:\Users\dell\anaconda3\lib\site-packages\elasticsearch\client\utils.py", line 347, in _wrapped
    return func(*args, params=params, headers=headers, **kwargs)
  File "C:\Users\dell\anaconda3\lib\site-packages\elasticsearch\client\__init__.py", line 1821, in search
    return self.transport.perform_request(
  File "C:\Users\dell\anaconda3\lib\site-packages\elasticsearch\transport.py", line 466, in perform_request       
    raise e
  File "C:\Users\dell\anaconda3\lib\site-packages\elasticsearch\transport.py", line 427, in perform_request       
    status, headers_response, data = connection.perform_request(
  File "C:\Users\dell\anaconda3\lib\site-packages\elasticsearch\connection\http_urllib3.py", line 291, in perform_request
    self._raise_error(response.status, raw_data)
  File "C:\Users\dell\anaconda3\lib\site-packages\elasticsearch\connection\base.py", line 328, in _raise_error    
    raise HTTP_EXCEPTIONS.get(status_code, TransportError)(
elasticsearch.exceptions.RequestError: RequestError(400, 'number_format_exception', 'empty String')

[Chuweiii]

the datasets I am using is squad_v2 dev-v2.0.json

[ZanSara]

What's your ES version? Haystack works with ES7 only.

[Chuweiii]

What's your ES version? Haystack works with ES7 only.

7.9.2 using docker:((