src/transformers/models/funnel/modeling_tf_funnel.py/TFFunnelPositionwiseFFN/call
class TFFunnelPositionwiseFFN:    def call(self, hidden, training=False):
        h = self.linear_1(hidden)
        h = self.activation_function(h)
        h = self.activation_dropout(h, training=training)
        h = self.linear_2(h)
        h = self.dropout(h, training=training)
        return self.layer_norm(hidden + h)