py-jsonschema needs dependency on pkgutil-resolve-name on python <= 3.8

[someuser12]

Launching jupyter-notebook-3.8 fails because of a problem of dependencies (this does not happen with jupyter-notebook-3.10):

Traceback (most recent call last):
  File "/opt/local/bin/jupyter-notebook-3.8", line 33, in <module>
    sys.exit(load_entry_point('notebook==6.4.11', 'console_scripts', 'jupyter-notebook')())
  File "/opt/local/bin/jupyter-notebook-3.8", line 25, in importlib_load_entry_point
    return next(matches).load()
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/importlib/metadata.py", line 77, in load
    module = import_module(match.group('module'))
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/importlib/__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
  File "<frozen importlib._bootstrap>", line 991, in _find_and_load
  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 671, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 843, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/notebook/notebookapp.py", line 80, in <module>
    from .services.contents.filemanager import FileContentsManager
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/notebook/services/contents/filemanager.py", line 16, in <module>
    from send2trash import send2trash
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/send2trash/__init__.py", line 12, in <module>
    from .plat_osx import send2trash
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/send2trash/plat_osx.py", line 14, in <module>
    from .plat_osx_pyobjc import send2trash
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/send2trash/plat_osx_pyobjc.py", line 7, in <module>
    from Foundation import NSFileManager, NSURL
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/Foundation/__init__.py", line 9, in <module>
    import CoreFoundation
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/CoreFoundation/__init__.py", line 9, in <module>
    import objc
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/objc/__init__.py", line 29, in <module>
    from ._bridgesupport import *  # noqa: F401, F403, E402
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/objc/_bridgesupport.py", line 15, in <module>
    import pkg_resources
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/pkg_resources/__init__.py", line 3260, in <module>
    def _initialize_master_working_set():
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/pkg_resources/__init__.py", line 3234, in _call_aside
    f(*args, **kwargs)
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/pkg_resources/__init__.py", line 3272, in _initialize_master_working_set
    working_set = WorkingSet._build_master()
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/pkg_resources/__init__.py", line 581, in _build_master
    ws.require(__requires__)
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/pkg_resources/__init__.py", line 909, in require
    needed = self.resolve(parse_requirements(requirements))
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/pkg_resources/__init__.py", line 795, in resolve
    raise DistributionNotFound(req, requirers)
pkg_resources.DistributionNotFound: The 'pkgutil-resolve-name>=1.3.10; python_version < "3.9"' distribution was not found and is required by jsonschema

[someuser12]

​https://github.com/macports/macports-ports/pull/15860 might be a step towards solving this.

[someuser12]

In 08adf6edcb404d3d83581b25927de904e1f97737/macports-ports (master):

py-jsonschema: add missing dependency
Closes: #65687