code: def _filter_list_to_conjunction_expression(filter_list):
      
      if not isinstance(filter_list, list):
          raise AssertionError(u'Expected `list`, Received: {}.'.format(filter_list))
      if any((not isinstance(filter_block, Filter) for filter_block in filter_list)):
          raise AssertionError(u'Expected list of Filter objects. Received: {}'.format(filter_list))
  
      expression_list = [filter_block.predicate for filter_block in filter_list]
      return expression_list_to_conjunction(expression_list)
docs: Convert a list of filters to an Expression that is the conjunction of all of them.