[MacPorts] #70172: gcr @3.41.2: build fails on systems without python3

[MacPorts]

#70172: gcr @3.41.2: build fails on systems without python3
---------------------+----------------------
  Reporter:  kencu   |      Owner:  dbevans
      Type:  defect  |     Status:  assigned
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:          |   Keywords:
      Port:  gcr     |
---------------------+----------------------
Changes (by kencu):

 * Attachment "main.log" added.


-- 
Ticket URL: <https://trac.macports.org/ticket/70172>
MacPorts <https://www.macports.org/>
Ports system for macOS