code: def get_urls(session, name, data, find_changelogs_fn, **kwargs):
      
      # if this package has valid meta data, build up a list of URL candidates we can possibly
      # search for changelogs on
      if "versions" in data:
          candidates = set()
          for version, item in data["versions"].items():
              if "homepage" in item and item["homepage"] is not None:
                  if isinstance(item["homepage"], list):
                      candidates.add(*item["homepage"])
                  else:
                      candidates.add(item["homepage"])
              if "repository" in item and item["repository"] is not None:
                  if "url" in item["repository"]:
                      repo = item["repository"]["url"]
                  elif "path" in item["repository"]:
                      repo = item["repository"]["path"]
                  else:
                      continue
                  repo = repo.replace("git://", "https://").replace(".git", "")
                  candidates.add(repo)
          return find_changelogs_fn(session=session, name=name, candidates=candidates)
      return set(), set()
docs: Gets URLs to changelogs.
      :param session: requests Session instance
      :param name: str, package name
      :param data: dict, meta data
      :param find_changelogs_fn: function, find_changelogs
      :return: tuple, (set(changelog URLs), set(repo URLs))