Build Failure on ports-10.7_x86_64_legacy

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.7_x86_64_legacy
Full logs:    https://build.macports.org/builders/ports-10.7_x86_64_legacy-watcher/builds/16744
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    py-uncertainties py-lmfit
Subport list:
	- py37-uncertainties
	- py37-lmfit
Variants:     None
Revision:     569750bc192f2633ad16233a9546dac79282cc48
Build time:   0:09:36
Author:       reneeotten <reneeotten at users.noreply.github.com>

Log from failed builds:

Links to individual build jobs:
- ports-10.7_x86_64_legacy-builder #71862
  https://build.macports.org/builders/ports-10.7_x86_64_legacy-builder/builds/71862
- ports-10.7_x86_64_legacy-builder #71863
  https://build.macports.org/builders/ports-10.7_x86_64_legacy-builder/builds/71863

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