Build Failure on ports-10.15_x86_64: py38-actdiag, py38-blockdiag, py38-nwdiag, py38-seqdiag

[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/2807
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    py-numba py-blockdiag py-billiard py-actdiag py-redis py-seqdiag py-nwdiag
Subport list:
	- py38-blockdiag
	- py38-actdiag
	- py38-nwdiag
	- py38-seqdiag
Variants:     None
Revision:     4bb549ffbeec192efb0b981298d1c081d3fed721
Build time:   0:06:49
Author:       Andrey Stromnov <stromnov at macports.org>

Log from failed builds:
	Building 'py38-blockdiag' ... [ERROR] (failed to calculate dependencies)
	> maintainers: stromnov at macports.org.
	Building 'py38-actdiag' ... [ERROR] (failed to calculate dependencies)
	> maintainers: stromnov at macports.org.
	Building 'py38-nwdiag' ... [ERROR] (failed to calculate dependencies)
	> maintainers: stromnov at macports.org.
	Building 'py38-seqdiag' ... [ERROR] (failed to calculate dependencies)
	> maintainers: stromnov at macports.org.

Broken ports:
	- py38-actdiag
	- py38-blockdiag
	- py38-nwdiag
	- py38-seqdiag

Responsible maintainers:
	- stromnov at macports.org

Links to individual build jobs:
- ports-10.15_x86_64-builder #23431
  https://build.macports.org/builders/ports-10.15_x86_64-builder/builds/23431
- ports-10.15_x86_64-builder #23432
  https://build.macports.org/builders/ports-10.15_x86_64-builder/builds/23432
- ports-10.15_x86_64-builder #23433
  https://build.macports.org/builders/ports-10.15_x86_64-builder/builds/23433
- ports-10.15_x86_64-builder #23434
  https://build.macports.org/builders/ports-10.15_x86_64-builder/builds/23434

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