src/transformers/models/poolformer/modeling_poolformer.py/PoolFormerOutput/forward
class PoolFormerOutput:    def forward(self, hidden_states):
        hidden_states = self.conv1(hidden_states)
        hidden_states = self.act_fn(hidden_states)
        hidden_states = self.drop(hidden_states)
        hidden_states = self.conv2(hidden_states)
        hidden_states = self.drop(hidden_states)

        return hidden_states