Always call set_highlights in set_highlight_words

If highlight_words is set to nothing, we should still call
set_highlights to remove any previous words.

1 files changed, 3 insertions, 4 deletions

diff --git a/wee_slack.py b/wee_slack.py
index 605456c..830d1cc 100644
--- a/wee_slack.py
+++ b/wee_slack.py
@@ -1102,10 +1102,9 @@ class SlackTeam(object):
         self.muted_channels = {x for x in muted_str.split(',') if x}
 
     def set_highlight_words(self, highlight_str):
-        self.highlight_words = {x for x in highlight_str.split(',')}
-        if len(self.highlight_words) > 0:
-            for v in self.channels.itervalues():
-                v.set_highlights()
+        self.highlight_words = {x for x in highlight_str.split(',') if x}
+        for channel in self.channels.itervalues():
+            channel.set_highlights()
 
     def formatted_name(self, **kwargs):
         return self.domain