[MacPorts] #60074: py37-matplotlib @3.1.3_0+cairo+webagg: importing fails

[MacPorts]

#60074: py37-matplotlib @3.1.3_0+cairo+webagg: importing fails
----------------------------+------------------------
  Reporter:  ladavid        |      Owner:  reneeotten
      Type:  defect         |     Status:  assigned
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:  2.6.2
Resolution:                 |   Keywords:
      Port:  py-matplotlib  |
----------------------------+------------------------

Comment (by mf2k):

 FYI it works fine the the {{{+qt5}}} variant instead of {{{+cairo}}}.

-- 
Ticket URL: <https://trac.macports.org/ticket/60074#comment:4>
MacPorts <https://www.macports.org/>
Ports system for macOS