code: def _read_doc():
      
      if sys.version_info.major == 2:
          with open('pefile.py', 'r') as f:
              tree = ast.parse(f.read())
      else:
          with open('pefile.py', 'r', encoding='utf-8') as f:
              tree = ast.parse(f.read())
      return ast.get_docstring(tree)
docs: Parse docstring from file 'pefile.py' and avoid importing
      this module directly.