def get_return(self,alt_return=None):
        """delivers the return value or (by default) echoes the exception of the call job
        """
        if self.done==2:
            if self.raise_exception & 1:    #by default exception is raised
                exc=self.exc
                del self.exc
                raise exc[0],exc[1],exc[2]
            else:
                return alt_return
        return self.ret
delivers the return value or (by default) echoes the exception of the call job
        
recipes/Python/491281_CallQueue_Easy_interthread/recipe-491281.py