code: def test_lazy_row_count_no_push_down(foods_file_path: Path) -> None:
      plan = (
          pl.scan_csv(foods_file_path)
          .with_row_count()
          .filter(pl.col("row_nr") == 1)
          .filter(pl.col("category") == pl.lit("vegetables"))
          .explain(predicate_pushdown=True)
      )
      # related to row count is not pushed.
      assert 'FILTER [(col("row_nr")) == (1)] FROM' in plan
      # unrelated to row count is pushed.
      assert (
          'SELECTION: [(col("category")) == (String(vegetables))]'
          in plan
      )
  
imports: from __future__ import annotations
  from collections import OrderedDict
  from typing import TYPE_CHECKING
  import numpy
  import pytest
  import polars
  from polars.testing import assert_frame_equal
label_desc: Use image node_id 11 for calling a global function with example usage: test_lazy_row_count_no_push_down(foods_file_path) without return types