It turned out to be a new variation of bug 986429. Looking at the MP for that bug, we needed to switch flushing sys.stdout and sys.stderr to flushing sys.__stdout__ and sys.__stderr__. Benji and/or Brad will be landing soon.
It turned out to be a new variation of bug 986429. Looking at the MP for that bug, we needed to switch flushing sys.stdout and sys.stderr to flushing sys.__stdout__ and sys.__stderr__. Benji and/or Brad will be landing soon.