class_docstr: A PEP 302 meta path importer for finding optionally-vendored
  or otherwise naturally-installed packages from root_name.
docstr: Install this importer into sys.meta_path if not already present.
docstr_tok: ["Install","this","importer","into","sys.meta_path","if","not","already","present","."]
code: def install(self):
      """
      Install this importer into sys.meta_path if not already present.
      """
      if self not in sys.meta_path:
          sys.meta_path.append(self)
  
imports: import sys
label_desc: Use image node_id 5 for calling the VendorImporter obj's underlying member method code with example usage: obj.install() without return types