Build Failure on ports-10.6_x86_64: wren-cli

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.6_x86_64
Full logs:    https://build.macports.org/builders/ports-10.6_x86_64-watcher/builds/8647
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    wren-cli
Subport list:
	- wren-cli
Variants:     None
Revision:     45d9bdd88e1e7c1a96f22e867803390b97f1b4d6
Build time:   0:05:29
Author:       Herby Gillot <herby.gillot at gmail.com>

Log from failed builds:
	Building 'wren-cli' ... [ERROR]
	> maintainers: herby.gillot at gmail.com.

Broken ports:
	- wren-cli

Responsible maintainers:
	- herby.gillot at gmail.com

Links to individual build jobs:
- ports-10.6_x86_64-builder #31031
  https://build.macports.org/builders/ports-10.6_x86_64-builder/builds/31031

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