code: def normalize(feat):
      return feat / np.maximum(np.sum(feat, -1, keepdims=True), 1)
  
file_path: PGL/legacy/examples/citation_benchmark/train.py
imports: import pgl
  import model
  from pgl import data_loader
  from pgl.utils.logger import log
  import paddle.fluid
  import numpy
  import time
  import argparse
  from build_model import build_model
  import yaml
  from easydict import EasyDict
  import tqdm
label_desc: Use image node_id 1 for calling a global function with example usage: normalize(feat) and returns: unknown