handle default case

Signed-off-by: Sylvain Hellegouarch <sh@defuze.org>

Author: Lawouach

CHANGELOG.md

@@ -2,11 +2,17 @@
 
 ## [Unreleased][]
 
-[Unreleased]: https://github.com/chaostoolkit-incubator/chaostoolkit-slack/compare/0.5.2...HEAD
+[Unreleased]: https://github.com/chaostoolkit-incubator/chaostoolkit-slack/compare/0.5.3...HEAD
 
-## [0.5.1][]
+## [0.5.3][]
+
+[0.5.3]: https://github.com/chaostoolkit-incubator/chaostoolkit-slack/compare/0.5.2...0.5.3
+
+- Handle default case
+
+## [0.5.2][]
 
-[0.5.1]: https://github.com/chaostoolkit-incubator/chaostoolkit-slack/compare/0.5.1...0.5.2
+[0.5.2]: https://github.com/chaostoolkit-incubator/chaostoolkit-slack/compare/0.5.1...0.5.2
 
 - Fix the fact secrets may not be set
 

chaosslack/__init__.py

@@ -1,2 +1,2 @@
 # -*- coding: utf-8 -*-
-__version__ = "0.5.2"
+__version__ = "0.5.3"

chaosslack/control.py

@@ -349,6 +349,8 @@ def attachments(
         color = "#FF8E00"
     elif state == "Deviated":
         color = "#FF1700"
+    else:
+        color = "#000000"
 
     payload = [
         {