Build Failure on ports-10.12_x86_64: py-antlr4-python3-runtime, py36-antlr4-python3-runtime

[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/15348
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    py-antlr4-python3-runtime
Subport list:
	- py36-antlr4-python3-runtime
	- py-antlr4-python3-runtime
Variants:     None
Revision:     11074a5269106d96e6ca39eb8dc4a80f415c7bac
Build time:   0:09:53
Author:       Perry E. Metzger <pmetzger at macports.org>

Log from failed builds:
	Building 'py-antlr4-python3-runtime' ... [ERROR] (failed to install dependency 'py36-antlr4-python3-runtime')
	> maintainers: .
	Building 'py36-antlr4-python3-runtime' ... [ERROR]
	> maintainers: .

Broken ports:
	- py-antlr4-python3-runtime
	- py36-antlr4-python3-runtime

Links to individual build jobs:
- ports-10.12_x86_64-builder #63236
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/63236
- ports-10.12_x86_64-builder #63237
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/63237

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