diff --git a/smsru_api/template.py b/smsru_api/template.py
index 8ba93bb..3d52b71 100644
--- a/smsru_api/template.py
+++ b/smsru_api/template.py
@@ -168,7 +168,7 @@ def del_callback(self, url: str) -> dict:
             :return: JSON ответ от сервера. """
         pass
 
-    def _collect_data(self, numbers: tuple[str], message: str,
+    def _collect_data(self, numbers: tuple, message: str,
                       from_name: str = None, ip_address: str = None,
                       timestamp: int = None, ttl: int = None, day_time: bool = False,
                       translit: bool = False, test: bool = None, debug: bool = False):