Build Failure on ports-10.6_x86_64_legacy: py36-pyobjc, py36-zopehookable, py37-pyobjc, py37-zopehookable

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.6_x86_64_legacy
Full logs:    https://build.macports.org/builders/ports-10.6_x86_64_legacy-watcher/builds/18914
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    py-zopehookable certbot
Subport list:
	- py27-zopehookable
	- certbot
	- py-zopehookable
	- py36-zopehookable
	- py37-zopehookable
Variants:     None
Revision:     93f56e12f24fc7707e98237d578c8b1237972f00
Build time:   0:10:10
Author:       Marius Schamschula <mps at macports.org>

Log from failed builds:
	Building 'py36-zopehookable' ... [ERROR] (failed to install dependency 'py36-pyobjc')
	> maintainers: mps at macports.org.
	Building 'py37-zopehookable' ... [ERROR] (failed to install dependency 'py37-pyobjc')
	> maintainers: mps at macports.org.

Broken ports:
	- py36-pyobjc
	- py36-zopehookable
	- py37-pyobjc
	- py37-zopehookable

Responsible maintainers:
	- mps at macports.org

Links to individual build jobs:
- ports-10.6_x86_64_legacy-builder #80942
  https://build.macports.org/builders/ports-10.6_x86_64_legacy-builder/builds/80942
- ports-10.6_x86_64_legacy-builder #80943
  https://build.macports.org/builders/ports-10.6_x86_64_legacy-builder/builds/80943
- ports-10.6_x86_64_legacy-builder #80944
  https://build.macports.org/builders/ports-10.6_x86_64_legacy-builder/builds/80944
- ports-10.6_x86_64_legacy-builder #80945
  https://build.macports.org/builders/ports-10.6_x86_64_legacy-builder/builds/80945
- ports-10.6_x86_64_legacy-builder #80946
  https://build.macports.org/builders/ports-10.6_x86_64_legacy-builder/builds/80946

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