From 0710b7f77ddc8263c237c5cf6d8c133c29405497 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Damir=20Jeli=C4=87?= <poljar@termina.org.uk>
Date: Tue, 30 Oct 2018 16:15:57 +0100
Subject: [PATCH] buffer: Don't add already added users to the RoomBuffer.

---
 matrix/buffer.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/matrix/buffer.py b/matrix/buffer.py
index 57ff631..b26c97f 100644
--- a/matrix/buffer.py
+++ b/matrix/buffer.py
@@ -847,6 +847,10 @@ class RoomBuffer(object):
             # yet to come, so do nothing
             return
 
+        # User is already added don't add him again.
+        if user_id in self.displayed_nicks:
+            return
+
         short_name = shorten_sender(user.user_id)
 
         # TODO handle this special case for discord bridge users and