From 14a65b8f06248885e55249e58e90df388be9e943 Mon Sep 17 00:00:00 2001
From: Ramzan Bekbulatov <bekbulatov.ramzan@ya.ru>
Date: Sat, 6 Nov 2021 22:16:50 +0000
Subject: [PATCH] enh: return check but less strict

---
 aiogram/bot/bot.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/aiogram/bot/bot.py b/aiogram/bot/bot.py
index 852353f3..d82f9c2a 100644
--- a/aiogram/bot/bot.py
+++ b/aiogram/bot/bot.py
@@ -1004,6 +1004,10 @@ class Bot(BaseBot, DataMixin, ContextInstanceMixin):
         # Convert list to MediaGroup
         if isinstance(media, list):
             media = types.MediaGroup(media)
+        
+        # Check MediaGroup quantity
+        if not (1 <= len(media.media) <= 10):
+            raise ValidationError("Media group must include 2-10 items as written in docs, but also it works with 1 element")
 
         files = dict(media.get_files())