[MacPorts] #58349: py27-networkx: update error to version 2.3_0

[MacPorts]

#58349: py27-networkx: update error to version 2.3_0
---------------------+--------------------
  Reporter:  isezen  |      Owner:  (none)
      Type:  defect  |     Status:  new
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:  2.5.4
Resolution:          |   Keywords:
      Port:          |
---------------------+--------------------
Changes (by isezen):

 * Attachment "main.log" added.

 log file

-- 
Ticket URL: <https://trac.macports.org/ticket/58349>
MacPorts <https://www.macports.org/>
Ports system for macOS