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-rw-r--r--wee_slack.py6
1 files changed, 3 insertions, 3 deletions
diff --git a/wee_slack.py b/wee_slack.py
index 1ee1fc8..121bd7c 100644
--- a/wee_slack.py
+++ b/wee_slack.py
@@ -938,12 +938,12 @@ class Message(object):
found = False
for r in self.message_json["reactions"]:
if r["name"] == reaction:
- r["users"].append(user)
+ r["users"].add(user)
found = True
if not found:
- self.message_json["reactions"].append({u"name": reaction, u"users": [user]})
+ self.message_json["reactions"].append({u"name": reaction, u"users": {user}})
else:
- self.message_json["reactions"] = [{u"name": reaction, u"users": [user]}]
+ self.message_json["reactions"] = [{u"name": reaction, u"users": {user}}]
def remove_reaction(self, reaction, user):
if "reactions" in self.message_json: