Junda Yang created AIRFLOW-4262:
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Summary: SlackWebhookOperator is not working properly
Key: AIRFLOW-4262
URL: https://issues.apache.org/jira/browse/AIRFLOW-4262
Project: Apache Airflow
Issue Type: Bug
Reporter: Junda Yang
Assignee: Junda Yang-- This message was sent by Atlassian JIRA (v7.6.3#76005)
