[Checkins] [zopefoundation/Zope] 0004e4: Fix error when not selecting a file for upload in ...

[Jens Vagelpohl]

  Branch: refs/heads/issue_492
  Home:   https://github.com/zopefoundation/Zope
  Commit: 0004e46760966c87341f801286d70194e648d2bf
      https://github.com/zopefoundation/Zope/commit/0004e46760966c87341f801286d70194e648d2bf
  Author: Jens Vagelpohl <jens at netz.ooo>
  Date:   2019-02-12 (Tue, 12 Feb 2019)

  Changed paths:
    M CHANGES.rst
    M src/OFS/Image.py
    M src/OFS/tests/testFileAndImage.py

  Log Message:
  -----------
  Fix error when not selecting a file for upload in Files and Images