The 30 year old is back home and reportedly on the verge of a move from AC Milan.
But Kean said: "No it's not over, as far as I'm aware that hasn't happened. It seems to have gone back on, and gone a little bit more positive in the last 24 hours rather than negative which is encouraging.
"I'm trying to get the player to commit to come over and speak to us and then to deal with his club. We are trying to get a formula that first of all satisfies his current club and then see if the player is actually fully committed to coming here."
He added: "A bid has not got in yet but something might happen in the next 24 hours where a bid might go in.
"We first have to figure out what they are happy to receive and if it's over our value then it will obviously die but if it's not hopefully it will progress."