Build Failure on ports-10.12_x86_64

[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/16623
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:     622991525c3ed881889a8c6ec684d8753380e1e1
Build time:   0:53:39
Author:       Duncan Macleod <duncan.macleod at ligo.org>

Log from failed builds:

Links to individual build jobs:
- ports-10.12_x86_64-builder #66779
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/66779
- ports-10.12_x86_64-builder #66780
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/66780
- ports-10.12_x86_64-builder #66781
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/66781
- ports-10.12_x86_64-builder #66782
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/66782

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