id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	launchpad_bug
3297	Deprecations CI job fails	exarkun	GitHub <noreply@…>	"{{{
Collecting git+https://github.com/twisted/twisted
  Cloning https://github.com/twisted/twisted to /tmp/pip-req-build-3aDKKI
  Running command git clone -q https://github.com/twisted/twisted /tmp/pip-req-build-3aDKKI
  Installing build dependencies: started
  Installing build dependencies: finished with status 'done'
  Getting requirements to build wheel: started
  Getting requirements to build wheel: finished with status 'done'
  Installing backend dependencies: started
  Installing backend dependencies: finished with status 'done'
    Preparing wheel metadata: started
    Preparing wheel metadata: finished with status 'done'
ERROR: Package u'Twisted' requires a different Python: 2.7.13 not in '>=3.5'
}}}

It looks like this is caused by the attempt to install Twisted trunk@HEAD in order to get early warning about use of newly deprecated Twisted APIs.  However, Twisted has recently completely dropped Python 2.7 support so trunk@HEAD is no longer usable with Tahoe-LAFS.

This turns CI red.
"	defect	closed	supercritical	undecided	unknown	n/a	fixed