code: def readme():
      try:
          with open("README.rst", encoding="UTF-8") as readme_file:
              return readme_file.read()
      except TypeError:
          # Python 2.7 doesn't support encoding argument in builtin open
          import io
  
          with io.open("README.rst", encoding="UTF-8") as readme_file:
              return readme_file.read()
  
label_desc: Use image node_id 1 for calling a global function with example usage: readme() and returns: readme_file, readme_file