code: def validate(self, exclusion=None):
      for r in self.tree.findall("resource"):
          approvals = r.findall("license-approval")
          if not approvals or approvals[0].attrib["name"] == "true":
              continue
  
          clean_name = re.sub("^[^/]+/", "", r.attrib["name"])
  
          if exclusion and exclusion(clean_name):
              continue
  
          yield clean_name
  
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 3 for calling the RatReport obj's underlying member method code with example usage: obj.validate(exclusion) without return types