code: def get_dependent_plate_dims(sites):
      """
      Return a list of unique dims for plates that are not common to all sites.
      """
      plate_sets = [
          site["cond_indep_stack"]
          for site in sites
          if site["type"] == "sample"
      ]
      all_plates = set().union(*plate_sets)
      common_plates = all_plates.intersection(*plate_sets)
      sum_plates = all_plates - common_plates
      sum_dims = sorted(
          {f.dim for f in sum_plates if f.dim is not None}
      )
      return sum_dims
  
imports: import math
  import numbers
  from collections import Counter, defaultdict
  from contextlib import contextmanager
  import torch
  from opt_einsum import shared_intermediates
  from opt_einsum.sharing import count_cached_ops
  from pyro.distributions.util import is_identically_zero
  from pyro.ops import packed
  from pyro.ops.einsum.adjoint import require_backward
  from pyro.ops.rings import MarginalRing
  from pyro.poutine.util import site_is_subsample
  from ..None import settings
label_desc: Use image node_id 10 for calling a global function with example usage: get_dependent_plate_dims(sites) and returns: sum_dims