code: def _reshape(arr):
      if len(arr.shape) <= 1:
          arr = arr.reshape(-1, 1)
      return arr
  
file_path: igel/igel/utils.py
imports: import json
  import logging
  import joblib
  import pandas
  import yaml
  from igel.configs import configs
  from igel.data import metrics_dict, models_dict
label_desc: Use image node_id 5 for calling a global function with example usage: _reshape(arr) and returns: arr