Python decorator to retry function calls on Exception

retry.py

import functools

def retry (function, retry=3):
    @functools.wraps(function)
    def	wrapper	(*args,	**kwargs):
        exception = None
        for i in range (retry):
            try:
                return function (*args, **kwargs)
            except Exception, ex:
                exception = ex
        raise exception
    return wrapper

@retry
def retry_test ():
    raise Exception ('Test Exception')