Update src/dispatch/plugins/dispatch_slack/service.py

Co-authored-by: Jason Schroth <[email protected]>

src/dispatch/plugins/dispatch_slack/service.py

@@ -24,7 +24,7 @@
 class SlackRetryException(Exception):
     def __init__(self, wait_time: int = None):
         self.wait_time = wait_time
-        if wait_time is None:
+        if wait_time:
             super().__init__(f"Retrying slack call in {wait_time} seconds.")
         else:
             super().__init__("Retrying slack call.")