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-rw-r--r--wee_slack.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/wee_slack.py b/wee_slack.py
index ea335ba..2152204 100644
--- a/wee_slack.py
+++ b/wee_slack.py
@@ -1492,7 +1492,8 @@ def process_im_open(message_json):
def process_im_marked(message_json):
channel = channels.find(message_json["channel"])
channel.mark_read(False)
- w.buffer_set(channel.channel_buffer, "hotlist", "-1")
+ if channel.channel_buffer is not None:
+ w.buffer_set(channel.channel_buffer, "hotlist", "-1")
def process_im_created(message_json):