code: def poster(resources):
      return resources / "poster.pdf"
  
file_path: OCRmyPDF/tests/test_userunit.py
imports: from __future__ import annotations
  from math import isclose
  import pytest
  from ocrmypdf.exceptions import ExitCode
  from ocrmypdf.pdfinfo import PdfInfo
  from .conftest import check_ocrmypdf, run_ocrmypdf_api
label_desc: Use image node_id 1 for calling a global function with example usage: poster(resources) and returns: unknown