code: def test_ignore_blank_line(tmp_dir, dvc):
      tmp_dir.gen({"dir": {"ignored": "text", "other": "text2"}})
      tmp_dir.gen(DvcIgnore.DVCIGNORE_FILE, "foo\n\ndir/ignored")
      dvc._reset()
      result = dvc.dvcignore.find(dvc.fs, tmp_dir / "dir")
      assert set(result) == {(tmp_dir / "dir" / "other").fs_path}
  
imports: import os
  import shutil
  from pathlib import Path
  from typing import List
  import pytest
  from dvc.ignore import DvcIgnore, DvcIgnorePatterns
  from dvc.output import OutputIsIgnoredError
  from dvc.pathspec_math import PatternInfo, merge_patterns
  from dvc.repo import Repo
  from dvc.testing.tmp_dir import TmpDir
  from dvc_data.hashfile.build import IgnoreInCollectedDirError
  from dvc_data.hashfile.utils import get_mtime_and_size
label_desc: Use image node_id 14 for calling a global function with example usage: test_ignore_blank_line(tmp_dir, dvc) without return types