diff --git a/tests/basic/test_io.py b/tests/basic/test_io.py
index b577507ef..3f313219d 100644
--- a/tests/basic/test_io.py
+++ b/tests/basic/test_io.py
@@ -357,18 +357,18 @@ class TestInputOutputMultilineMode(unittest.TestCase):
         """Test that multiline mode is restored after KeyboardInterrupt"""
         io = InputOutput(fancy_input=True)
         io.prompt_session = MagicMock()
-        
+
         # Start in multiline mode
         io.multiline_mode = True
-        
+
         # Mock prompt() to raise KeyboardInterrupt
         io.prompt_session.prompt.side_effect = KeyboardInterrupt
-        
+
         # Test confirm_ask()
         with self.assertRaises(KeyboardInterrupt):
             io.confirm_ask("Test question?")
         self.assertTrue(io.multiline_mode)  # Should be restored
-        
+
         # Test prompt_ask()
         with self.assertRaises(KeyboardInterrupt):
             io.prompt_ask("Test prompt?")
@@ -378,17 +378,17 @@ class TestInputOutputMultilineMode(unittest.TestCase):
         """Test that multiline mode is restored after normal exit"""
         io = InputOutput(fancy_input=True)
         io.prompt_session = MagicMock()
-        
+
         # Start in multiline mode
         io.multiline_mode = True
-        
+
         # Mock prompt() to return normally
         io.prompt_session.prompt.return_value = "y"
-        
+
         # Test confirm_ask()
         io.confirm_ask("Test question?")
         self.assertTrue(io.multiline_mode)  # Should be restored
-        
+
         # Test prompt_ask()
         io.prompt_ask("Test prompt?")
         self.assertTrue(io.multiline_mode)  # Should be restored