src/transformers/models/oneformer/modeling_oneformer.py/OneFormerTransformerDecoderFFNLayer/forward_pre
class OneFormerTransformerDecoderFFNLayer:    def forward_pre(self, output):
        output2 = self.norm(output)
        output2 = self.linear2(self.dropout(self.activation(self.linear1(output2))))
        output = output + self.dropout(output2)
        return output