Build Failure on ports-10.9_x86_64

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.9_x86_64
Full logs:    https://build.macports.org/builders/ports-10.9_x86_64-watcher/builds/26502
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:   0:23:19
Author:       Marius Schamschula <mps at macports.org>

Log from failed builds:

Links to individual build jobs:
- ports-10.9_x86_64-builder #94059
  https://build.macports.org/builders/ports-10.9_x86_64-builder/builds/94059
- ports-10.9_x86_64-builder #94060
  https://build.macports.org/builders/ports-10.9_x86_64-builder/builds/94060
- ports-10.9_x86_64-builder #94061
  https://build.macports.org/builders/ports-10.9_x86_64-builder/builds/94061
- ports-10.9_x86_64-builder #94062
  https://build.macports.org/builders/ports-10.9_x86_64-builder/builds/94062
- ports-10.9_x86_64-builder #94063
  https://build.macports.org/builders/ports-10.9_x86_64-builder/builds/94063
- ports-10.9_x86_64-builder #94064
  https://build.macports.org/builders/ports-10.9_x86_64-builder/builds/94064
- ports-10.9_x86_64-builder #94065
  https://build.macports.org/builders/ports-10.9_x86_64-builder/builds/94065

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