From c5e2f3552e36adc8187baa08fc928cffdacaa92e Mon Sep 17 00:00:00 2001
From: Kamil Mukhametzyanov <grkamil@yandex.ru>
Date: Wed, 15 Feb 2023 08:32:32 +0300
Subject: [PATCH] fix

---
 src/TelegramHandler.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/TelegramHandler.php b/src/TelegramHandler.php
index 5301a34..44df055 100644
--- a/src/TelegramHandler.php
+++ b/src/TelegramHandler.php
@@ -150,7 +150,7 @@ private function sendMessage(string $text): void
      * @param string $defaultConfigKey
      * @return string
      */
-    private function getConfigValue($key, $defaultConfigKey = null): string
+    private function getConfigValue($key, $defaultConfigKey = null): ?string
     {
         if (isset($this->config[$key])) {
             return $this->config[$key];