sendemail.py script throwing below error on splunk 7.0.0 Search Head

[naliniasb]

Email not send to mail box because of above error in SH Cluster
Splunk version :7.0.0

index=_internal source=scheduler.log savedsearch_name=********* |table _raw,_time,message,status,alert_actions
index=_internal source=*python.log subject="***********"|table *
got the below error from logs ::
command="sendemail", createSSLContextFromSettings() got an unexpected keyword argument 'confJSON' while sending mail to: **@mail.com