code: def _create_contextmanager_attribs(self):
      def attribs(**kw):
          def decorate(func):
              for k, v in kw.items():
                  setattr(func, k, v)
              return func
  
          return decorate
  
      @asynccontextmanager
      @attribs(foo="bar")
      async def baz(spam):
          """Whee!"""
          yield
  
      return baz
  
imports: import asyncio
  from contextlib import asynccontextmanager, AbstractAsyncContextManager, AsyncExitStack, nullcontext, aclosing, contextmanager
  from test import support
  import unittest
  import traceback
  from test.test_contextlib import TestBaseExitStack
label_desc: Use image node_id 1 for calling the AsyncContextManagerTestCase obj's underlying member method code with example usage: obj._create_contextmanager_attribs() and returns: baz, decorate, func