Build Failure on ports-10.7_x86_64_legacy

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.7_x86_64_legacy
Full logs:    https://build.macports.org/builders/ports-10.7_x86_64_legacy-watcher/builds/16590
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    py-cchardet py-idna-ssl py-yarl py-async-timeout py-aiohttp py-multidict
Subport list:
	- py37-async-timeout
	- py37-cchardet
	- py37-idna-ssl
	- py37-multidict
	- py37-yarl
	- py37-aiohttp
Variants:     None
Revision:     78157a1c74495cbd2dd10f90815bc8c7bfb31dce
Build time:   0:17:14
Author:       Toby Peterson <toby at macports.org>

Log from failed builds:

Links to individual build jobs:
- ports-10.7_x86_64_legacy-builder #71316
  https://build.macports.org/builders/ports-10.7_x86_64_legacy-builder/builds/71316
- ports-10.7_x86_64_legacy-builder #71317
  https://build.macports.org/builders/ports-10.7_x86_64_legacy-builder/builds/71317
- ports-10.7_x86_64_legacy-builder #71318
  https://build.macports.org/builders/ports-10.7_x86_64_legacy-builder/builds/71318
- ports-10.7_x86_64_legacy-builder #71319
  https://build.macports.org/builders/ports-10.7_x86_64_legacy-builder/builds/71319
- ports-10.7_x86_64_legacy-builder #71320
  https://build.macports.org/builders/ports-10.7_x86_64_legacy-builder/builds/71320
- ports-10.7_x86_64_legacy-builder #71321
  https://build.macports.org/builders/ports-10.7_x86_64_legacy-builder/builds/71321

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