Fix notify.slack service calls using data_template (#37980)

2020-07-20 00:55:50 -05:00 · 2020-07-20 00:55:50 -05:00 · 92d72f26c7
parent 890562e3ae
commit 92d72f26c7
1 changed files with 4 additions and 1 deletions
--- a/homeassistant/components/slack/notify.py
+++ b/homeassistant/components/slack/notify.py
@ -224,7 +224,10 @@ class SlackNotificationService(BaseNotificationService):

    async def async_send_message(self, message, **kwargs):
        """Send a message to Slack."""
-        data = kwargs.get(ATTR_DATA, {})
+        data = kwargs.get(ATTR_DATA)
+
+        if data is None:
+            data = {}

        try:
            DATA_SCHEMA(data)