run elastalert-test-rule with python 3.6.0 and python 3.6.9 have same problem,
which version of python should use?
ERROR:root:Traceback (most recent call last):
File "/opt/pyenv/versions/elastalert_360/lib/python3.6/site-packages/elastalert-0.2.1-py3.6.egg/elastalert/elastalert.py", line 1451, in alert
return self.send_alert(matches, rule, alert_time=alert_time, retried=retried)
File "/opt/pyenv/versions/elastalert_360/lib/python3.6/site-packages/elastalert-0.2.1-py3.6.egg/elastalert/elastalert.py", line 1550, in send_alert
self.thread_data.alerts_sent += 1
AttributeError: '_thread._local' object has no attribute 'alerts_sent'
Elastalert version : 0.2.1