The 22-year old Scotland international has reportedly emerged as a transfer target for Cardiff City but Lennon insists the Glasgow giants are not looking to offload the star youngster anytime soon.
"It wouldn't be a surprise if other clubs were looking at James because he is a brilliant player," Lennon told the Daily Record.
"But he signed a long-term contract 18 months ago. We are months and months away from the window - he is not for sale.
"I don't know if people are trying to unsettle players here.
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