fix tests

tests/e2e/patched/test_sp.py

@@ -170,6 +170,7 @@ def test_sequence_parallel_slicing(
     assert torch.all(result["input_ids"] == expected_input_ids)
 
 
+@patch.dict("sys.modules", {"ring_flash_attn": MagicMock()})
 def test_config_validation_with_valid_inputs(cfg):
     """Test that valid sequence parallelism configurations pass validation."""
     # Import the actual model class with appropriate mocks