docstr: Apply a permutation to some sibling group
code: def permute_sibling_group(
      cls, fx_graph, sibling_group_id, group_permutation
  ):
      """Apply a permutation to some sibling group"""
  
      if cls.__verbosity > 1:
          print(
              f"Attempting to permute sibling group {sibling_group_id}"
          )
  
      sibling_group = cls.__group_data["sibling_groups"][
          sibling_group_id
      ]
  
      # apply the permutation in two steps: first, a dry run to find any issues.
      # if there were no issues, actually apply the permutation in the second step.
      success = True
      coparent_group_id = None
      for dryrun in [True, False]:
          # apply that permutation to the siblings' C dimension
          for sibling in sibling_group:
              assert (
                  fx_graph[sibling]["C_permutable"]
                  and not fx_graph[sibling]["C_permuted"]
              )
              sibling_permuted = cls.apply_permutation_in_C_dim(
                  sibling, group_permutation, dryrun
              )
              if dryrun:
                  success = success and sibling_permuted
              else:
                  assert (
                      sibling_permuted
                  ), "shouldn't fail permuting siblings after the dry run"
                  fx_graph[sibling]["C_permuted"] = sibling_permuted
  
              a_parent = fx_graph[sibling]["real_parents"][0]
              if coparent_group_id is None:
                  coparent_group_id = fx_graph[a_parent][
                      "coparent_group_id"
                  ]
              else:
                  assert (
                      coparent_group_id
                      == fx_graph[a_parent]["coparent_group_id"]
                  ), f"parent {a_parent} must belong to the same coparent group {coparent_group_id}, not {fx_graph[a_parent]['coparent_group_id']}"
  
          # grab the parents (and co-parents) and apply to their K dimension
          coparents = cls.__group_data["coparent_groups"][
              coparent_group_id
          ]
          for coparent in coparents:
              assert (
                  fx_graph[coparent]["K_permutable"]
                  and not fx_graph[coparent]["K_permuted"]
              )
              coparent_permuted = cls.apply_permutation_in_K_dim(
                  coparent, group_permutation, fx_graph, dryrun
              )
              if dryrun:
                  success = success and coparent_permuted
              else:
                  assert (
                      coparent_permuted
                  ), "shouldn't fail permuting coparents after the dry run"
                  fx_graph[coparent]["K_permuted"] = coparent_permuted
  
              children_permuted = (
                  cls.apply_permutation_in_K_dim_to_children(
                      fx_graph, coparent, group_permutation, dryrun
                  )
              )
              if dryrun:
                  success = success and children_permuted
              else:
                  assert (
                      children_permuted
                  ), "shouldn't fail permuting coparents' children after the dry run"
  
          if not success:
              cls.skip_sibling_group(
                  fx_graph, sibling_group_id, "dryrun_failure"
              )
  
              if cls.__verbosity > 0:
                  print(
                      f"There was an issue permuting sibling group {sibling_group_id}, skipping it to preserve network quality."
                  )
  
              break
  
imports: import os
  import torch
  import json
  import string
  import time
  import numpy
  import sys
  import builtins
  import io
label_desc: Use image node_id 17 for calling the Permutation obj's underlying member method code with example usage: obj.permute_sibling_group(cls, fx_graph, sibling_group_id, group_permutation) without return types