src/transformers/models/regnet/modeling_tf_regnet.py/TFRegNetXLayer/call
class TFRegNetXLayer:    def call(self, hidden_state):
        residual = hidden_state
        for layer_module in self.layers:
            hidden_state = layer_module(hidden_state)
        residual = self.shortcut(residual)
        hidden_state += residual
        hidden_state = self.activation(hidden_state)
        return hidden_state