code: def byvalue(proxy):
      '''Return a copy of the underlying object for which the argument
      is a proxy.'''
      assert isinstance(proxy, Proxy)
      return proxy.client.execute(ByValueDelegate(proxy)f byvalue(proxy):
      '''Return a copy of the underlying object for which the argument
      is a proxy.'''
      assert isinstance(proxy, Proxy)
      return proxy.client.execute(ByValueDelegate(proxy))
docs: Return a copy of the underlying object for which the argument
      is a proxy.