Build Failure on ports-10.15_x86_64

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.15_x86_64
Full logs:    https://build.macports.org/builders/ports-10.15_x86_64-watcher/builds/1028
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:   0:41:48
Author:       Steven Thomas Smith <s.t.smith at ieee.org>

Log from failed builds:

Links to individual build jobs:
- ports-10.15_x86_64-builder #6982
  https://build.macports.org/builders/ports-10.15_x86_64-builder/builds/6982
- ports-10.15_x86_64-builder #6983
  https://build.macports.org/builders/ports-10.15_x86_64-builder/builds/6983
- ports-10.15_x86_64-builder #6984
  https://build.macports.org/builders/ports-10.15_x86_64-builder/builds/6984
- ports-10.15_x86_64-builder #6985
  https://build.macports.org/builders/ports-10.15_x86_64-builder/builds/6985
- ports-10.15_x86_64-builder #6986
  https://build.macports.org/builders/ports-10.15_x86_64-builder/builds/6986
- ports-10.15_x86_64-builder #6987
  https://build.macports.org/builders/ports-10.15_x86_64-builder/builds/6987

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