Build Failure on ports-10.10_x86_64: py38-notebook

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.10_x86_64
Full logs:    https://build.macports.org/builders/ports-10.10_x86_64-watcher/builds/28516
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    py-prometheus_client py-ipykernel py-terminado py-notebook py-send2trash
Subport list:
	- py38-ipykernel
	- py38-send2trash
	- py38-terminado
	- py38-prometheus_client
	- py38-notebook
Variants:     None
Revision:     9b13c02af18ce7c36a032d62fa2281e17a772628
Build time:   0:10:31
Author:       Andrey Stromnov <stromnov at macports.org>

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

Broken ports:
	- py38-notebook

Responsible maintainers:
	- stromnov at macports.org

Links to individual build jobs:
- ports-10.10_x86_64-builder #99628
  https://build.macports.org/builders/ports-10.10_x86_64-builder/builds/99628
- ports-10.10_x86_64-builder #99629
  https://build.macports.org/builders/ports-10.10_x86_64-builder/builds/99629
- ports-10.10_x86_64-builder #99630
  https://build.macports.org/builders/ports-10.10_x86_64-builder/builds/99630
- ports-10.10_x86_64-builder #99631
  https://build.macports.org/builders/ports-10.10_x86_64-builder/builds/99631
- ports-10.10_x86_64-builder #99632
  https://build.macports.org/builders/ports-10.10_x86_64-builder/builds/99632

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