def _maybe_copy_some_through():
    'Run RNN step.  Pass through either no or some past state.'
    (new_output, new_state) = call_cell()
    nest.assert_same_structure(state, new_state)
    flat_new_state = nest.flatten(new_state)
    flat_new_output = nest.flatten(new_output)
    return control_flow_ops.cond((time < min_sequence_length), (lambda : (flat_new_output + flat_new_state)), (lambda : _copy_some_through(flat_new_output, flat_new_state)))
Run RNN step.  Pass through either no or some past state.
def _maybe_copy_some_through():
    
    (new_output, new_state) = call_cell()
    nest.assert_same_structure(state, new_state)
    flat_new_state = nest.flatten(new_state)
    flat_new_output = nest.flatten(new_output)
    return control_flow_ops.cond((time < min_sequence_length), (lambda : (flat_new_output + flat_new_state)), (lambda : _copy_some_through(flat_new_output, flat_new_state)))