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/12719
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    youtube-dl
Subport list:
	- 
Variants:     None
Revision:     3f1082d0ed629f8cbc82686ac4915a2f9c3a7aaf
Build time:   0:00:33
Author:       Ryan Schmidt <ryandesign at macports.org>

Log from failed builds:

Links to individual build jobs:

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