src/transformers/models/squeezebert/modeling_squeezebert.py/ConvDropoutLayerNorm/forward
class ConvDropoutLayerNorm:    def forward(self, hidden_states, input_tensor):
        x = self.conv1d(hidden_states)
        x = self.dropout(x)
        x = x + input_tensor
        x = self.layernorm(x)
        return x