Build Failure on ports-10.6_x86_64_legacy

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.6_x86_64_legacy
Full logs:    https://build.macports.org/builders/ports-10.6_x86_64_legacy-watcher/builds/16333
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    py-pytest
Subport list:
	- py27-pytest
	- py-pytest
	- py34-pytest
	- py35-pytest
	- py36-pytest
	- py37-pytest
Variants:     None
Revision:     8b7abb5efa6c96ab5a8cb72f381307da1fbad7ce
Build time:   0:14:29
Author:       Chih-Hsuan Yen <yan12125 at macports.org>

Log from failed builds:

Links to individual build jobs:
- ports-10.6_x86_64_legacy-builder #69900
  https://build.macports.org/builders/ports-10.6_x86_64_legacy-builder/builds/69900
- ports-10.6_x86_64_legacy-builder #69901
  https://build.macports.org/builders/ports-10.6_x86_64_legacy-builder/builds/69901
- ports-10.6_x86_64_legacy-builder #69902
  https://build.macports.org/builders/ports-10.6_x86_64_legacy-builder/builds/69902
- ports-10.6_x86_64_legacy-builder #69903
  https://build.macports.org/builders/ports-10.6_x86_64_legacy-builder/builds/69903
- ports-10.6_x86_64_legacy-builder #69904
  https://build.macports.org/builders/ports-10.6_x86_64_legacy-builder/builds/69904
- ports-10.6_x86_64_legacy-builder #69905
  https://build.macports.org/builders/ports-10.6_x86_64_legacy-builder/builds/69905

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