Build Failure on ports-10.12_x86_64: py-altair, py36-altair, py36-pandas, py37-altair, py37-pandas, py38-altair, py38-pandas

[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/28840
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    py-altair py-dask
Subport list:
	- py37-altair
	- py-altair
	- py37-dask
	- py-dask
	- py27-altair
	- py36-altair
	- py36-dask
	- py38-altair
	- py38-dask
Variants:     None
Revision:     15d5c88d680d3f7bdf69a17311db472b1c76e587
Build time:   0:18:42
Author:       Andrey Stromnov <stromnov at macports.org>

Log from failed builds:
	Building 'py37-altair' ... [ERROR] (failed to install dependency 'py37-pandas')
	> maintainers: stromnov at macports.org,stromnov at macports.org.
	Building 'py-altair' ... [ERROR] (failed to install dependency 'py37-pandas')
	> maintainers: stromnov at macports.org,stromnov at macports.org.
	Building 'py36-altair' ... [ERROR] (failed to install dependency 'py36-pandas')
	> maintainers: stromnov at macports.org,stromnov at macports.org.
	Building 'py38-altair' ... [ERROR] (failed to install dependency 'py38-pandas')
	> maintainers: stromnov at macports.org,stromnov at macports.org.

Broken ports:
	- py-altair
	- py36-altair
	- py36-pandas
	- py37-altair
	- py37-pandas
	- py38-altair
	- py38-pandas

Responsible maintainers:
	- stromnov at macports.org

Links to individual build jobs:
- ports-10.12_x86_64-builder #107776
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/107776
- ports-10.12_x86_64-builder #107777
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/107777
- ports-10.12_x86_64-builder #107778
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/107778
- ports-10.12_x86_64-builder #107779
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/107779
- ports-10.12_x86_64-builder #107780
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/107780
- ports-10.12_x86_64-builder #107781
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/107781
- ports-10.12_x86_64-builder #107782
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/107782
- ports-10.12_x86_64-builder #107783
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/107783
- ports-10.12_x86_64-builder #107784
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/107784

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