[Checkins] [zopefoundation/Products.ZCatalog] 7fe44a: make flake8 happy

[Dieter Maurer]

  Branch: refs/heads/rework_request_cache#94
  Home:   https://github.com/zopefoundation/Products.ZCatalog
  Commit: 7fe44a3265851bf91bc9b935c1dc9d2ca6e39375
      https://github.com/zopefoundation/Products.ZCatalog/commit/7fe44a3265851bf91bc9b935c1dc9d2ca6e39375
  Author: dieter <dieter at handshake.de>
  Date:   2020-03-06 (Fri, 06 Mar 2020)

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

  Log Message:
  -----------
  make flake8 happy