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/20800
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    py-nltk
Subport list:
	- py37-nltk
	- py-nltk
	- py27-nltk
	- py35-nltk
	- py36-nltk
	- py38-nltk
Variants:     None
Revision:     0ff8c3ff9a020776bcd4b54bc0c453e1ed7d64a6
Build time:   0:44:42
Author:       Steven Thomas Smith <s.t.smith at ieee.org>

Log from failed builds:

Links to individual build jobs:
- ports-10.13_x86_64-builder #72573
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/72573
- ports-10.13_x86_64-builder #72574
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/72574
- ports-10.13_x86_64-builder #72575
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/72575
- ports-10.13_x86_64-builder #72576
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/72576
- ports-10.13_x86_64-builder #72577
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/72577
- ports-10.13_x86_64-builder #72578
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/72578

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