Build Failure on ports-10.6_x86_64: grafana

[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/11638
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    grafana
Subport list:
	- grafana
Variants:     None
Revision:     35c4139b251104df8ee99de2e693147b6c037132
Build time:   0:01:17
Author:       Herby Gillot <herby.gillot at gmail.com>

Log from failed builds:
	Building 'grafana' ... [ERROR] (failed to calculate dependencies)
	> maintainers: herby.gillot at gmail.com.

Broken ports:
	- grafana

Responsible maintainers:
	- herby.gillot at gmail.com

Links to individual build jobs:
- ports-10.6_x86_64-builder #37854
  https://build.macports.org/builders/ports-10.6_x86_64-builder/builds/37854

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