Build Failure on ports-10.9_x86_64: py35-graph-tool, py36-graph-tool, py37-graph-tool

[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/20581
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    py-graph-tool
Subport list:
	- py27-graph-tool
	- py-graph-tool
	- py35-graph-tool
	- py36-graph-tool
	- py37-graph-tool
Variants:     None
Revision:     c75b9052a5a037daf3b6db060becd5649d77962d
Build time:   2:09:37
Author:       Mark Moll <mmoll at macports.org>

Log from failed builds:
	Building 'py35-graph-tool' ... [ERROR]
	> maintainers: tiago at skewed.de,mmoll at macports.org.
	Building 'py36-graph-tool' ... [ERROR]
	> maintainers: tiago at skewed.de,mmoll at macports.org.
	Building 'py37-graph-tool' ... [ERROR]
	> maintainers: tiago at skewed.de,mmoll at macports.org.

Broken ports:
	- py35-graph-tool
	- py36-graph-tool
	- py37-graph-tool

Responsible maintainers:
	- mmoll at macports.org
	- tiago at skewed.de

Links to individual build jobs:
- ports-10.9_x86_64-builder #75655
  https://build.macports.org/builders/ports-10.9_x86_64-builder/builds/75655
- ports-10.9_x86_64-builder #75656
  https://build.macports.org/builders/ports-10.9_x86_64-builder/builds/75656
- ports-10.9_x86_64-builder #75657
  https://build.macports.org/builders/ports-10.9_x86_64-builder/builds/75657
- ports-10.9_x86_64-builder #75658
  https://build.macports.org/builders/ports-10.9_x86_64-builder/builds/75658
- ports-10.9_x86_64-builder #75659
  https://build.macports.org/builders/ports-10.9_x86_64-builder/builds/75659

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