Migration diff failed with partitions tables in schema

error diffing schema: error running container: exit 1:
Traceback (most recent call last):
  File "/usr/local/bin/migra", line 8, in <module>
    sys.exit(do_command())
  File "/usr/local/lib/python3.9/site-packages/migra/command.py", line 121, in do_command
    status = run(args)
  File "/usr/local/lib/python3.9/site-packages/migra/command.py", line 98, in run
    m.add_all_changes(privileges=args.with_privileges)
  File "/usr/local/lib/python3.9/site-packages/migra/migra.py", line 107, in add_all_changes
    self.add(self.changes.tables_only_selectables())
  File "/usr/local/lib/python3.9/site-packages/migra/changes.py", line 496, in get_selectable_changes
    statements += get_table_changes(
  File "/usr/local/lib/python3.9/site-packages/migra/changes.py", line 233, in get_table_changes
    rls_alter = v.alter_rls_statement
  File "/usr/local/lib/python3.9/site-packages/schemainspect/pg/obj.py", line 228, in alter_rls_statement
    return self.alter_table_statement(self.alter_rls_clause)
  File "/usr/local/lib/python3.9/site-packages/schemainspect/pg/obj.py", line 145, in alter_table_statement
    raise NotImplementedError  # pragma: no cover
NotImplementedError