Since you escalated the claim to a dispute, PayPal will give the seller a few days to respond, I think it is somewhere between 7 and 10 days. So all you really can do is wait. PayPal will take care of you.
But in the future, please remember that you only have 45 days with which to file a complaint with PayPal, and 4 weeks is being very generous. Please, neve be so generous that you miss that time for filing.
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