From cfce68e9ad18b3c31dd551d8e2b866d75e8c81c4 Mon Sep 17 00:00:00 2001
From: Lonami <totufals@hotmail.com>
Date: Sun, 22 Dec 2024 15:07:35 +0100
Subject: [PATCH] Avoid error when trying to reset deadline for no msgbox
 entries

Closes #4520.
---
 telethon/_updates/messagebox.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/telethon/_updates/messagebox.py b/telethon/_updates/messagebox.py
index 96e107ac..f8d4ae96 100644
--- a/telethon/_updates/messagebox.py
+++ b/telethon/_updates/messagebox.py
@@ -295,6 +295,8 @@ class MessageBox:
     #
     # It also updates the next deadline time to reflect the new closest deadline.
     def reset_deadlines(self, entries, deadline):
+        if not entries:
+            return
         for entry in entries:
             if entry not in self.map:
                 raise RuntimeError('Called reset_deadline on an entry for which we do not have state')