code: def __init__(self):
      super().__init__()
  
      self.fc = Linear(in_features=13, out_features=1)
  
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 1 to create a new Regressor object from inherited base classes: paddle.nn with example: obj = Regressor()