Build Failure on ports-10.12_x86_64: pipenv

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.12_x86_64
Full logs:    https://build.macports.org/builders/ports-10.12_x86_64-watcher/builds/15868
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    pipenv py-invoke
Subport list:
	- py37-invoke
	- pipenv
	- py27-invoke
	- py-invoke
	- py34-invoke
	- py35-invoke
	- py36-invoke
Variants:     None
Revision:     304684a89152b75bc0d10877666b738b8331ccf3
Build time:   0:22:31
Author:       Dan Villiom Podlaski Christiansen <danchr at macports.org>

Log from failed builds:
	Building 'pipenv' ... [ERROR] (failed to calculate dependencies)
	> maintainers: danchr at macports.org.

Broken ports:
	- pipenv

Responsible maintainers:
	- danchr at macports.org

Links to individual build jobs:
- ports-10.12_x86_64-builder #64559
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/64559
- ports-10.12_x86_64-builder #64560
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/64560
- ports-10.12_x86_64-builder #64561
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/64561
- ports-10.12_x86_64-builder #64562
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/64562
- ports-10.12_x86_64-builder #64563
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/64563
- ports-10.12_x86_64-builder #64564
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/64564
- ports-10.12_x86_64-builder #64565
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/64565

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