The midfielder is on-loan from Marseille.
"I made the choice to come here and I'm enjoying every minute of it," the Frenchman told Albion's official website.
"Marseille are a big French club and play in the Champions League - and the most important thing when I came here was to make sure I wasn't going to take a step backwards.
"It is a step forward because the Premier League is a big league and I feel this team is right for me."
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