docs: def find_packages_parents_requirements_dists(pkg_names, working_set=None):
      """
      Leverages the `find_packages_requirements_dists` but strip out the
      distributions that matches pkg_names.
      """
  
      dists = []
      # opting for a naive implementation
      targets = set(pkg_names)
      for dist in find_packages_requirements_dists(pkg_names, working_set):
          if dist.project_name in targets:
              continue
          dists.append(dist)
      return dists