From f1e58d07847c183de40f2459b22a7a21a4bc9afa Mon Sep 17 00:00:00 2001
From: jjlawren <jjlawren@users.noreply.github.com>
Date: Thu, 26 Mar 2020 15:18:23 -0500
Subject: [PATCH] Handle empty Plex client username (#33271)

---
 homeassistant/components/plex/server.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/homeassistant/components/plex/server.py b/homeassistant/components/plex/server.py
index 54a248309b6..788c96e15d2 100644
--- a/homeassistant/components/plex/server.py
+++ b/homeassistant/components/plex/server.py
@@ -171,7 +171,7 @@ class PlexServer:
                 continue
             session_username = session.usernames[0]
             for player in session.players:
-                if session_username not in monitored_users:
+                if session_username and session_username not in monitored_users:
                     ignored_clients.add(player.machineIdentifier)
                     _LOGGER.debug("Ignoring Plex client owned by %s", session_username)
                     continue