[Checkins] [zopefoundation/ZConfig] 63465a: use self._open instead of builtins.open

[GitHub]

  Branch: refs/heads/fd-logfile-delay-and-encoding
  Home:   https://github.com/zopefoundation/ZConfig
  Commit: 63465a89730160fe9c8e8123b2115527829eb921
      https://github.com/zopefoundation/ZConfig/commit/63465a89730160fe9c8e8123b2115527829eb921
  Author: Fred Drake <fred.drake at keepertech.com>
  Date:   2018-12-04 (Tue, 04 Dec 2018)

  Changed paths:
    M ZConfig/components/logger/loghandler.py

  Log Message:
  -----------
  use self._open instead of builtins.open

logging.FileHandler._open already deals with py2/py3 compatiblity, and handles
all the parameters to open a file in a consistent way; no need to reimplement
in just one case



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