format tracebacks as code blocks in Slack output

bin/kindnavsync

@@ -145,6 +145,10 @@ class SlackFormatter(logging.Formatter):
 
         return arg
 
+    def formatException(self, ei):
+        s = super(SlackFormatter, self).formatException(ei)
+        return "```\n{}\n```".format(s)
+
 
 def _is_valid_ip(addr):
     try:

setup.py

@@ -3,7 +3,7 @@ from setuptools import setup
 
 setup(
     name="kindnavsync",
-    version="0.2.7",
+    version="0.2.8",
     author="Morten Brekkevold",
     author_email="morten.brekkevold@uninett.no",
     description="Synchronizes device information from Kind to NAV",