code: def pillar_format(ret, keys, value, expand_keys):
      '''
      Perform data formatting to be used as pillar data and
      merge it with the current pillar data
      '''
      # if value is empty in Consul then it's None here - skip it
      if value is None:
          return ret
  
      # If value is not None then it's a string
      # YAML strips whitespaces unless they're surrounded by quotes
      # If expand_keys is true, deserialize the YAML data
      if expand_keys:
          pillar_value = salt.utils.yaml.safe_load(value)
      else:
          pillar_value = value
  
      keyvalue = keys.pop()
      pil = {keyvalue: pillar_value}
      keys.reverse()
      for k in keys:
          pil = {k: pil}
  
      return dict_merge(ret, pilf pillar_format(ret, keys, value, expand_keys):
      '''
      Perform data formatting to be used as pillar data and
      merge it with the current pillar data
      '''
      # if value is empty in Consul then it's None here - skip it
      if value is None:
          return ret
  
      # If value is not None then it's a string
      # YAML strips whitespaces unless they're surrounded by quotes
      # If expand_keys is true, deserialize the YAML data
      if expand_keys:
          pillar_value = salt.utils.yaml.safe_load(value)
      else:
          pillar_value = value
  
      keyvalue = keys.pop()
      pil = {keyvalue: pillar_value}
      keys.reverse()
      for k in keys:
          pil = {k: pil}
  
      return dict_merge(ret, pil)
docs: Perform data formatting to be used as pillar data and
      merge it with the current pillar data