[MacPorts] #64935: py-spyder: The 'mistune<2, >=0.8.1' distribution was not found and is required by nbconvert

[MacPorts]

#64935: py-spyder: The 'mistune<2,>=0.8.1' distribution was not found and is
required by nbconvert
--------------------+-----------------------------------------------
 Reporter:  mf2k    |      Owner:  reneeotten
     Type:  defect  |     Status:  assigned
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:
 Keywords:          |       Port:  py-spyder py-nbconvert py-mistune
--------------------+-----------------------------------------------
 spyder is broken at runtime again:

 {{{
 $ spyder
 Traceback (most recent call last):
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10
 /site-packages/pkg_resources/__init__.py", line 579, in _build_master
     ws.require(__requires__)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10
 /site-packages/pkg_resources/__init__.py", line 897, in require
     needed = self.resolve(parse_requirements(requirements))
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10
 /site-packages/pkg_resources/__init__.py", line 788, in resolve
     raise VersionConflict(dist, req).with_context(dependent_req)
 pkg_resources.ContextualVersionConflict: (mistune 2.0.2
 (/opt/local/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10
 /site-packages), Requirement.parse('mistune<2,>=0.8.1'), {'nbconvert'})

 During handling of the above exception, another exception occurred:

 Traceback (most recent call last):
   File "/opt/local/bin/spyder", line 33, in <module>
     sys.exit(load_entry_point('spyder==5.2.2', 'gui_scripts', 'spyder')())
   File "/opt/local/bin/spyder", line 25, in importlib_load_entry_point
     return next(matches).load()
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/importlib/metadata/__init__.py",
 line 171, in load
     module = import_module(match.group('module'))
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/importlib/__init__.py",
 line 126, in import_module
     return _bootstrap._gcd_import(name[level:], package, level)
   File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
   File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
   File "<frozen importlib._bootstrap>", line 1006, in
 _find_and_load_unlocked
   File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
   File "<frozen importlib._bootstrap_external>", line 883, in exec_module
   File "<frozen importlib._bootstrap>", line 241, in
 _call_with_frames_removed
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10
 /site-packages/spyder/app/start.py", line 50, in <module>
     from spyder.utils.external import lockfile
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10
 /site-packages/spyder/utils/external/lockfile.py", line 31, in <module>
     from spyder.utils.programs import is_spyder_process
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10
 /site-packages/spyder/utils/programs.py", line 28, in <module>
     import pkg_resources
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10
 /site-packages/pkg_resources/__init__.py", line 3247, in <module>
     def _initialize_master_working_set():
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10
 /site-packages/pkg_resources/__init__.py", line 3221, in _call_aside
     f(*args, **kwargs)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10
 /site-packages/pkg_resources/__init__.py", line 3259, in
 _initialize_master_working_set
     working_set = WorkingSet._build_master()
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10
 /site-packages/pkg_resources/__init__.py", line 581, in _build_master
     return cls._build_from_requirements(__requires__)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10
 /site-packages/pkg_resources/__init__.py", line 594, in
 _build_from_requirements
     dists = ws.resolve(reqs, Environment())
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10
 /site-packages/pkg_resources/__init__.py", line 783, in resolve
     raise DistributionNotFound(req, requirers)
 pkg_resources.DistributionNotFound: The 'mistune<2,>=0.8.1' distribution
 was not found and is required by nbconvert
 }}}

 {{{
 $ port installed py310-nbconvert py310-mistune
 The following ports are currently installed:
   py310-mistune @0.8.4_0
   py310-mistune @2.0.2_0 (active)
   py310-nbconvert @6.4.5_0 (active)
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/64935>
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