def ISINSTANCE(instance, A_tuple):  
try:<EOL><INDENT>instance = instance._redpipe_future_result<EOL><DEDENT>except AttributeError:<EOL><INDENT>pass<EOL><DEDENT>return isinstance(instance, A_tuple)<EOL>
Allows you to do isinstance checks on futures.
Really, I discourage this because duck-typing is usually better.
But this can provide you with a way to use isinstance with futures.
Works with other objects too.

:param instance:
:param A_tuple:
:return: