[PROTON-1822] Running C/C++ Example tests under python 3 produces warnings

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: proton-c-0.23.0
• Component/s: proton-c
• Assignee: Andrew Stitcher
• Reporter: Andrew Stitcher
• Created: 05/Apr/18 03:54
• Updated: 26/May/18 19:36
• Resolved: 05/Apr/18 04:12

Description

For example, this comes from the MacOS Travis CI with XCode 9
/usr/local/Cellar/python/3.6.5/Frameworks/Python.framework/Versions/3.6/lib/python3.6/unittest/suite.py:107: ResourceWarning: unclosed file <_io.TextIOWrapper name=4 mode='w+' encoding='UTF-8'>