code: def test_find_private_section_real():
      # Find section containing named private creator information
      # On real data first
      assert fps(DATA, 0x29, "SIEMENS CSA HEADER") == 0x1000
      assert fps(DATA, 0x29, b"SIEMENS CSA HEADER") == 0x1000
      assert fps(DATA, 0x29, re.compile("SIEMENS CSA HEADER")) == 0x1000
      assert fps(DATA, 0x29, "NOT A HEADER") is None
      assert fps(DATA, 0x29, "SIEMENS MEDCOM HEADER2") == 0x1100
      assert fps(DATA_PHILIPS, 0x29, "SIEMENS CSA HEADER") == None
  
imports: import re
  from nibabel.optpkg import optional_package
  from ..utils import find_private_section
  from .test_dicomwrappers import DATA, DATA_PHILIPS
label_desc: Use image node_id 1 for calling a global function with example usage: test_find_private_section_real() without return types