Build Failure on ports-10.12_x86_64

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.12_x86_64
Full logs:    https://build.macports.org/builders/ports-10.12_x86_64-watcher/builds/28038
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    py-sphinx
Subport list:
	- py37-sphinx
	- py-sphinx
	- py35-sphinx
	- py36-sphinx
	- py38-sphinx
Variants:     None
Revision:     4327edd7489b78b678201ac4a59d2f569834cb69
Build time:   0:22:54
Author:       Joshua Root <jmr at macports.org>

Log from failed builds:

Links to individual build jobs:
- ports-10.12_x86_64-builder #105218
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/105218
- ports-10.12_x86_64-builder #105219
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/105219
- ports-10.12_x86_64-builder #105220
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/105220
- ports-10.12_x86_64-builder #105221
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/105221
- ports-10.12_x86_64-builder #105222
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/105222

-- 
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MacPorts Buildbot
https://build.macports.org/