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/23131
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    py-acme certbot certbot-apache certbot-nginx
Subport list:
	- py27-acme
	- certbot
	- certbot-apache
	- certbot-nginx
	- py-acme
	- py36-acme
	- py37-acme
Variants:     None
Revision:     45cae83a24b0141f522df5bafa48bec2cd31e4ac
Build time:   0:43:15
Author:       Marius Schamschula <mps at macports.org>

Log from failed builds:

Links to individual build jobs:
- ports-10.12_x86_64-builder #90671
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/90671
- ports-10.12_x86_64-builder #90672
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/90672
- ports-10.12_x86_64-builder #90673
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/90673
- ports-10.12_x86_64-builder #90674
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/90674
- ports-10.12_x86_64-builder #90675
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/90675
- ports-10.12_x86_64-builder #90676
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/90676
- ports-10.12_x86_64-builder #90677
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/90677

-- 
Best regards,
MacPorts Buildbot
https://build.macports.org/