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I have an issue in deploying my django project to cpanel after creating the python setup on cpanel pointing my subdomain to the setup project .I get 404(deployment not found) error once i click the url how can i fix that

I defined a serializermethodfield. My problem in displaying the output. When this method exists, the image field is empty for me. But if I delete this serializermethodfield, my image output will be correct.