old_contents: # coding: utf-8
  __version__ = '0.2.1'
  from .parser import Parser, AjaxParser
  from .baserules import xpath, xpaths, xpathz, search, dpath, base, addon, fields, which, ajaxurl, ajax, RespType
  
  __all__ = [
      'Parser', 'AjaxParser',
      'xpath', 'xpaths', 'xpathz',
      'search', 'dpath',
      'base', 'addon', 'fields', 'which',
      'ajaxurl', 'ajax',
      'RespType',
  ]
  
new_contents: # coding: utf-8
  from .parser import Parser, AjaxParser
  from .baserules import xpath, xpaths, xpathz, search, dpath, base, addon, fields, which, ajaxurl, ajax, RespType
  
  __all__ = [
      'Parser', 'AjaxParser',
      'xpath', 'xpaths', 'xpathz',
      'search', 'dpath',
      'base', 'addon', 'fields', 'which',
      'ajaxurl', 'ajax',
      'RespType',
  ]
  
subject: remove verson from __init__