code: def abs_target_sum(y_true: np.ndarray) -> float:
      return np.sum(np.abs(y_true))
  
file_path: gluonts/src/gluonts/nursery/few_shot_prediction/src/meta/metrics/numpy.py
imports: import math
  import numpy
  import numpy.ma
  from typing import List, Dict
  from meta.datasets.splits import EvaluationDataset
label_desc: Use image node_id 3 for calling a global function with example usage: abs_target_sum(y_true) and returns: np