Build Failure on ports-10.15_x86_64: py39-tropycal

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.15_x86_64
Full logs:    https://build.macports.org/builders/ports-10.15_x86_64-watcher/builds/10890
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    py-tropycal
Subport list:
	- py38-tropycal
	- py-tropycal
	- py37-tropycal
	- py39-tropycal
Variants:     None
Revision:     09dc8cf9585784c25862556eeb986ba06e226cae
Build time:   0:28:23
Author:       Marius Schamschula <mps at macports.org>

Log from failed builds:
	Building 'py39-tropycal' ... [ERROR] (failed to calculate dependencies)
	> maintainers: mps at macports.org.

Broken ports:
	- py39-tropycal

Responsible maintainers:
	- mps at macports.org

Links to individual build jobs:
- ports-10.15_x86_64-builder #42450
  https://build.macports.org/builders/ports-10.15_x86_64-builder/builds/42450
- ports-10.15_x86_64-builder #42451
  https://build.macports.org/builders/ports-10.15_x86_64-builder/builds/42451
- ports-10.15_x86_64-builder #42452
  https://build.macports.org/builders/ports-10.15_x86_64-builder/builds/42452
- ports-10.15_x86_64-builder #42453
  https://build.macports.org/builders/ports-10.15_x86_64-builder/builds/42453

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