typing in tests

tests/test_text.py

@@ -1,4 +1,5 @@
 from io import StringIO
+from typing import List
 
 import pytest
 
@@ -683,7 +684,7 @@ def test_tabs_to_spaces():
     ],
 )
 def test_tabs_to_spaces_spans(
-    markup: str, tab_size: int, expected_text: str, expected_spans: list[Span]
+    markup: str, tab_size: int, expected_text: str, expected_spans: List[Span]
 ):
     """Test spans are correct after expand_tabs"""
     text = Text.from_markup(markup)