[Checkins] [zopefoundation/Products.ZCatalog] 54706d: Simplify code

[Andreas Gabriel]

  Branch: refs/heads/fix_topicindex_issue_65
  Home:   https://github.com/zopefoundation/Products.ZCatalog
  Commit: 54706d591e0564e7a74cd59fc661d89b7dab38a9
      https://github.com/zopefoundation/Products.ZCatalog/commit/54706d591e0564e7a74cd59fc661d89b7dab38a9
  Author: Andreas Gabriel <gabriel at hrz.uni-marburg.de>
  Date:   2019-04-21 (Sun, 21 Apr 2019)

  Changed paths:
    M src/Products/PluginIndexes/TopicIndex/TopicIndex.py

  Log Message:
  -----------
  Simplify code