code: def custom_weights_zeros(index):  # pragma: no cover
      """
      Return 0 for all elements in index
      """
      weights = np.zeros_like(index, dtype=int)
  
      return weights
  
file_path: skforecast/skforecast/ForecasterAutoregMultiVariate/tests/test_create_sample_weights.py
imports: import re
  import pytest
  import numpy
  import pandas
  from skforecast.ForecasterAutoregMultiVariate import ForecasterAutoregMultiVariate
  from sklearn.linear_model import LinearRegression
label_desc: Use image node_id 4 for calling a global function with example usage: custom_weights_zeros(index) and returns: weights