old_contents: import os
  import json
  
  from kitchen.settings import KITCHEN_LOCATION
  
  def load_data(data_type):
      retval = []
      nodes_dir = os.path.join(KITCHEN_LOCATION, data_type)
      if not os.path.isdir(nodes_dir):
          raise IOError('Invalid data type or kitchen location. Check your settings.')
      for filename in os.listdir(nodes_dir):
          if filename.endswith('.json'):
              entry = {'name': filename[:-5]}
              f = open(os.path.join(nodes_dir, filename), 'r')
              entry['data'] = json.load(f)
              f.close()
              retval.append(entry)
      return retval
  
  
new_contents: import os
  import json
  
  from kitchen.settings import KITCHEN_LOCATION
  
  def load_data(data_type):
      retval = []
      nodes_dir = os.path.join(KITCHEN_LOCATION, data_type)
      if not os.path.isdir(nodes_dir):
          raise IOError('Invalid data type or kitchen location. Check your settings.')
      for filename in os.listdir(nodes_dir):
          if filename.endswith('.json'):
              entry = {'name': filename[:-5]}
              f = open(os.path.join(nodes_dir, filename), 'r')
              entry['data'] = json.load(f)
              f.close()
              retval.append(entry)
      return sort_list_by_data_key(retval, 'chef_environment')
  
  def sort_list_by_data_key(old_list, key):
      return sorted(old_list, key=lambda k: k['data'][key]) 
subject: Allow list to be sorted by a key in the node's data