Build Failure on ports-10.15_x86_64

[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/6818
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    gnucash-docs
Subport list:
	- gnucash-docs
Variants:     None
Revision:     9cea140e04716a764f0413689217812c76506b32
Build time:   0:30:04
Author:       Dan R. K. Ports <dports at macports.org>

Log from failed builds:

Links to individual build jobs:
- ports-10.15_x86_64-builder #33505
  https://build.macports.org/builders/ports-10.15_x86_64-builder/builds/33505

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