code: def __init__(self):
      jar = Cache().get_or_insert_from_url(RAT_JAR_FILENAME, RAT_URL)
      Jar.__init__(self, jar)
  
file_path: arrow/dev/archery/archery/utils/rat.py
imports: import fnmatch
  import re
  from xml.etree import ElementTree
  from ..lang.java import Jar
  from .cache import Cache
  from .command import capture_stdout
label_desc: Use image node_id 1 to create a new Rat object from inherited base classes: Jar with example: obj = Rat()