Build Failure on ports-10.9_x86_64: py36-pybtex-docutils, py37-pybtex-docutils

[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/16415
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    py-pybtex-docutils
Subport list:
	- py27-pybtex-docutils
	- py-pybtex-docutils
	- py36-pybtex-docutils
	- py37-pybtex-docutils
Variants:     None
Revision:     753fab5ac9a17a13c21152fdb4cda1e4678764f6
Build time:   0:20:48
Author:       Perry E. Metzger <pmetzger at macports.org>

Log from failed builds:
	Building 'py36-pybtex-docutils' ... [ERROR] (failed to calculate dependencies)
	> maintainers: .
	Building 'py37-pybtex-docutils' ... [ERROR] (failed to calculate dependencies)
	> maintainers: .

Broken ports:
	- py36-pybtex-docutils
	- py37-pybtex-docutils

Links to individual build jobs:
- ports-10.9_x86_64-builder #60843
  https://build.macports.org/builders/ports-10.9_x86_64-builder/builds/60843
- ports-10.9_x86_64-builder #60844
  https://build.macports.org/builders/ports-10.9_x86_64-builder/builds/60844
- ports-10.9_x86_64-builder #60845
  https://build.macports.org/builders/ports-10.9_x86_64-builder/builds/60845
- ports-10.9_x86_64-builder #60846
  https://build.macports.org/builders/ports-10.9_x86_64-builder/builds/60846

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