code: def forward(self, inputs):
      x = self.fc(inputs)
      return x
  
file_path: mlflow/examples/paddle/train_low_level_api.py
imports: import numpy
  import paddle
  import paddle.nn.functional
  from paddle.nn import Linear
  from sklearn import preprocessing
  from sklearn.datasets import load_diabetes
  from sklearn.model_selection import train_test_split
  import mlflow.paddle
label_desc: Use image node_id 2 for calling the Regressor obj's underlying member method code with example usage: obj.forward(inputs) and returns: x