diff --git a/seminar/views/views_all.py b/seminar/views/views_all.py
index f05945f5..e35742c7 100644
--- a/seminar/views/views_all.py
+++ b/seminar/views/views_all.py
@@ -35,7 +35,7 @@ from django.conf import settings
 import unicodedata
 import logging
 import time
-from collections.abc import Iterable
+from collections.abc import Sequence
 
 from seminar.utils import aktivniResitele
 
@@ -678,7 +678,7 @@ def StavDatabazeView(request):
 
 
 # Interní, nemá se nikdy objevit v urls (jinak to účastníci vytrolí)
-def formularOKView(request, text='', dalsi_odkazy: Iterable[tuple[str, str]] = ()):
+def formularOKView(request, text='', dalsi_odkazy: Sequence[tuple[str, str]] = ()):
 	template_name = 'seminar/formular_ok.html'
 	odkazy = list(dalsi_odkazy) + [
 		# (Text, odkaz)