elasticsearch.exceptions.SSLError: ConnectionError([SSL: CERTIFICATE

elasticsearch.exceptions.SSLError: ConnectionError([SSL: CERTIFICATE_VERIFY_FAILED] 
certificate verify failed: self signed certificate in certificate chain (_ssl.c:1076)) 
caused by: SSLError([SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: 
self signed certificate in certificate chain (_ssl.c:1076))

加上context.verify_mode = ssl.CERT_NONE：

import ssl
from elasticsearch.connection import create_ssl_context

ssl_context = create_ssl_context( 
参考 
https://github.com/elastic/elasticsearch-py/issues/712
 https://docs.python-requests.org/en/master/user/advanced/#ssl-cert-verification
 https://github.com/certifi/python-certifi