nodes: 0, module; 1, function_definition; 2, function_name:info; 3, parameters; 4, block; 5, identifier:self; 6, expression_statement; 7, return_statement; 8, string; 9, call; 10, string_content:Returns information on all the registered checkers.
  
          Sorted by namespace and then name
          :returns a list of CheckerInfo; 11, identifier:sorted; 12, argument_list; 13, call; 14, keyword_argument; 15, attribute; 16, argument_list; 17, identifier:key; 18, lambda; 19, attribute; 20, identifier:values; 21, lambda_parameters; 22, tuple; 23, identifier:self; 24, identifier:_checkers; 25, identifier:x; 26, attribute; 27, attribute; 28, identifier:x; 29, identifier:ns; 30, identifier:x; 31, identifier:name
code: def info(self):
          ''' Returns information on all the registered checkers.
  
          Sorted by namespace and then name
          :returns a list of CheckerInfo
          '''
          return sorted(self._checkers.values(), key=lambda x: (x.ns, x.name))