Build Failure on ports-10.13_x86_64

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.13_x86_64
Full logs:    https://build.macports.org/builders/ports-10.13_x86_64-watcher/builds/11733
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    py-gwpy
Subport list:
	- py27-gwpy
	- py-gwpy
	- py36-gwpy
	- py37-gwpy
Variants:     None
Revision:     14594ca19592fd2e5850f1fbdd3ad99fad96c097
Build time:   0:48:58
Author:       Duncan Macleod <duncan.macleod at ligo.org>

Log from failed builds:

Links to individual build jobs:
- ports-10.13_x86_64-builder #44693
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/44693
- ports-10.13_x86_64-builder #44694
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/44694
- ports-10.13_x86_64-builder #44695
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/44695
- ports-10.13_x86_64-builder #44696
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/44696

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