code: def read_fixture(fixture_file_name):
      with open(
          path.join(FIXTURES_DIR, fixture_file_name), "rb"
      ) as fixture_file:
          return fixture_file.read()
  
imports: import json
  from os import path
label_desc: Use image node_id 1 for calling a global function with example usage: read_fixture(fixture_file_name) and returns: fixture_file