Build Failure on ports-10.13_x86_64: py-param, py-pyviz_comms

[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/12773
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    py-param py-pyviz_comms holoviews
Subport list:
	- py37-param
	- py37-pyviz_comms
	- holoviews
	- py-param
	- py-pyviz_comms
	- py36-param
	- py36-pyviz_comms
Variants:     None
Revision:     bd218fb21e38e6a12fe5c68c781bffdc483c589c
Build time:   0:38:42
Author:       Marius Schamschula <mps at macports.org>

Log from failed builds:
	Building 'py-param' ... [ERROR]
	> maintainers: mps at macports.org.
	Building 'py-pyviz_comms' ... [ERROR]
	> maintainers: mps at macports.org.

Broken ports:
	- py-param
	- py-pyviz_comms

Responsible maintainers:
	- mps at macports.org

Links to individual build jobs:
- ports-10.13_x86_64-builder #48933
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/48933
- ports-10.13_x86_64-builder #48934
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/48934
- ports-10.13_x86_64-builder #48935
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/48935
- ports-10.13_x86_64-builder #48936
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/48936
- ports-10.13_x86_64-builder #48937
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/48937
- ports-10.13_x86_64-builder #48938
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/48938
- ports-10.13_x86_64-builder #48939
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/48939

-- 
Best regards,
MacPorts Buildbot
https://build.macports.org/