[MacPorts] #62286: py39-pygraphviz @1.5 builds DLL referencing non-existant symbol _PyIOBase_Type

[MacPorts]

#62286: py39-pygraphviz @1.5 builds DLL referencing non-existant symbol
_PyIOBase_Type
----------------------+------------------------
 Reporter:  diekhans  |      Owner:  (none)
     Type:  defect    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:  2.6.4
 Keywords:            |       Port:  pygraphviz
----------------------+------------------------
 after installing with python 3.9

 {{{
 % python3.9 -c 'import pygraphviz'
 python3.9 -c 'import pygraphviz'
 Traceback (most recent call last):
   File "<string>", line 1, in <module>
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9
 /site-packages/pygraphviz/__init__.py", line 58, in <module>
     from .agraph import AGraph, Node, Edge, Attribute, ItemAttribute,
 DotError
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9
 /site-packages/pygraphviz/agraph.py", line 22, in <module>
     from . import graphviz as gv
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9
 /site-packages/pygraphviz/graphviz.py", line 28, in <module>
     _graphviz = swig_import_helper()
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9
 /site-packages/pygraphviz/graphviz.py", line 24, in swig_import_helper
     _mod = imp.load_module('_graphviz', fp, pathname, description)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/imp.py",
 line 242, in load_module
     return load_dynamic(name, filename, file)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/imp.py",
 line 342, in load_dynamic
     return _load(spec)
 ImportError:
 dlopen(/opt/local/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9
 /site-packages/pygraphviz/_graphviz.cpython-39-darwin.so, 2): Symbol not
 found: _PyIOBase_Type
   Referenced from:
 /opt/local/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9
 /site-packages/pygraphviz/_graphviz.cpython-39-darwin.so
   Expected in: flat namespace
  in
 /opt/local/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9
 /site-packages/pygraphviz/_graphviz.cpython-39-darwin.so
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/62286>
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