Build Failure on ports-10.7_x86_64_legacy

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.7_x86_64_legacy
Full logs:    https://build.macports.org/builders/ports-10.7_x86_64_legacy-watcher/builds/26703
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:     397d12dcd528be8d8bc13af3109e990b36c91f15
Build time:   0:24:24
Author:       Marius Schamschula <mps at macports.org>

Log from failed builds:

Links to individual build jobs:
- ports-10.7_x86_64_legacy-builder #108005
  https://build.macports.org/builders/ports-10.7_x86_64_legacy-builder/builds/108005
- ports-10.7_x86_64_legacy-builder #108006
  https://build.macports.org/builders/ports-10.7_x86_64_legacy-builder/builds/108006
- ports-10.7_x86_64_legacy-builder #108007
  https://build.macports.org/builders/ports-10.7_x86_64_legacy-builder/builds/108007
- ports-10.7_x86_64_legacy-builder #108008
  https://build.macports.org/builders/ports-10.7_x86_64_legacy-builder/builds/108008
- ports-10.7_x86_64_legacy-builder #108009
  https://build.macports.org/builders/ports-10.7_x86_64_legacy-builder/builds/108009
- ports-10.7_x86_64_legacy-builder #108010
  https://build.macports.org/builders/ports-10.7_x86_64_legacy-builder/builds/108010
- ports-10.7_x86_64_legacy-builder #108011
  https://build.macports.org/builders/ports-10.7_x86_64_legacy-builder/builds/108011

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