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/19840
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    py-pygraphviz
Subport list:
	- py37-pygraphviz
	- py38-pygraphviz
Variants:     None
Revision:     9ddcd2bd79b8d630eff6be3ab24970ba723fb296
Build time:   0:20:38
Author:       Adarsh Pyarelal <adarsh at email.arizona.edu>

Log from failed builds:

Links to individual build jobs:
- ports-10.13_x86_64-builder #69592
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/69592
- ports-10.13_x86_64-builder #69593
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/69593

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