cli error

root@log01:~# curator_cli --dry-run --host log01 delete_indices --filter_list '[{"filtertype":"pattern","kind":"regex","value":"^(log|notification)-.*$"},{"direction": "older", "exclude": "null", "filtertype": "age", "source": "name", "timestring": "%Y.%m.%d"}]'
2018-05-07 16:44:49,884 ERROR     Schema error: expected bool for dictionary value @ data['exclude']
2018-05-07 16:44:49,884 ERROR     Schema error: Configuration: filter: Location: singleton, filter #1: {'direction': 'older', 'exclude': 'null', 'filtertype': 'age', 'source': 'name', 'timestring': '%Y.%m.%d'}: Bad Value: "null", expected bool for dictionary value @ data['exclude']. Check configuration file.

gistfile1.txt

actions:
  1:
    {action: delete_indices, description: Delete indices older than 31 days (based on
    index name)., filters: [{exclude: null, filtertype: pattern, kind: regex, value: ^(log|notification)-.*$},
    {direction: older, exclude: null, filtertype: age, source: name, timestring: '%Y.%m.%d',
      unit: days, unit_count: 31}], options: {continue_if_exception: false, disable_action: false,
    ignore_empty_list: true, timeout_override: null}}
  2:
    {action: delete_indices, description: Delete indices older than 31 days (based on
    index name)., filters: [{exclude: null, filtertype: pattern, kind: regex, value: ^events_.*$},
    {direction: older, exclude: null, filtertype: age, source: name, timestring: '%Y-%m-%d',
      unit: days, unit_count: 31}], options: {continue_if_exception: false, disable_action: false,
    ignore_empty_list: true, timeout_override: null}}

gistfile2.txt

root@log01:~# curator_cli --dry-run --host log02 delete_indices --filter_list '[{"filtertype":"pattern","kind":"regex","value":"^(log|notification)-.*$"},{"filtertype":"age","source":"creation_date","direction":"older","unit":"days","unit_count":15}]'