code: def test_hstack_slice_pushdown() -> None:
      lf = pl.LazyFrame({f"column_{i}": [i] for i in range(2)})
  
      out = lf.with_columns(pl.col("column_0") * 1000).slice(0, 5)
      plan = out.explain()
  
      assert not plan.startswith("SLICE")
  
file_path: polars/py-polars/tests/unit/operations/test_slice.py
imports: import polars
  from polars.testing import assert_frame_equal, assert_frame_not_equal
label_desc: Use image node_id 6 for calling a global function with example usage: test_hstack_slice_pushdown() without return types