[Checkins] [zopefoundation/Products.ZCatalog] 385278: Fix deprecation warnings & flake8

[GitHub]

  Branch: refs/heads/andbag-fix-deprecation
  Home:   https://github.com/zopefoundation/Products.ZCatalog
  Commit: 3852785bf1bda1b1da5359691f6dbf511bd8a91b
      https://github.com/zopefoundation/Products.ZCatalog/commit/3852785bf1bda1b1da5359691f6dbf511bd8a91b
  Author: Andreas Gabriel <gabriel at hrz.uni-marburg.de>
  Date:   2018-04-04 (Wed, 04 Apr 2018)

  Changed paths:
    M setup.cfg
    M src/Products/PluginIndexes/tests/test_unindex.py
    M src/Products/ZCTextIndex/tests/testIndex.py
    M src/Products/ZCTextIndex/tests/testLexicon.py
    M src/Products/ZCTextIndex/tests/testZCTextIndex.py
    M src/Products/ZCatalog/tests/test_catalog.py
    M src/Products/ZCatalog/tests/test_plan.py
    M src/Products/ZCatalog/tests/test_zcatalog.py

  Log Message:
  -----------
  Fix deprecation warnings & flake8