src/transformers/models/hubert/modeling_hubert.py/HubertPositionalConvEmbedding/forward
class HubertPositionalConvEmbedding:    def forward(self, hidden_states):
        hidden_states = hidden_states.transpose(1, 2)

        hidden_states = self.conv(hidden_states)
        hidden_states = self.padding(hidden_states)
        hidden_states = self.activation(hidden_states)

        hidden_states = hidden_states.transpose(1, 2)
        return hidden_states