From bf06c6a6c7df287ca0576de480fc3c6057375f46 Mon Sep 17 00:00:00 2001
From: Mikhail <67838942+MikhailWar@users.noreply.github.com>
Date: Mon, 20 Feb 2023 18:51:05 +0600
Subject: [PATCH] fix 'custom filter' object is not iterable

---
 aiogram/dispatcher/filters/builtin.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/aiogram/dispatcher/filters/builtin.py b/aiogram/dispatcher/filters/builtin.py
index e20357e8..b9e32409 100644
--- a/aiogram/dispatcher/filters/builtin.py
+++ b/aiogram/dispatcher/filters/builtin.py
@@ -325,6 +325,9 @@ class Text(Filter):
             _pre_process_func = lambda s: str(s).lower()
         else:
             _pre_process_func = str
+            
+        if not isinstance(self.equals, list):
+            self.equals = [self.equals]
 
         # now check
         if self.equals is not None: