Help Documentation doesn't load

[InTheCloudDan]

Initial Checks

• I confirm that I'm using Pydantic V2

Description

Error fetching docs for pydantic: Error: Command failed: /home/.venv/bin/python -c '
import importlib
importlib.import_module("pydantic")
help("pydantic")
'
Traceback (most recent call last):
  File "<string>", line 4, in <module>
    help("pydantic")
    ~~~~^^^^^^^^^^^^
  File "<frozen _sitebuiltins>", line 103, in __call__
  File "/opt/homebrew/Cellar/[email protected]/3.13.1/Frameworks/Python.framework/Versions/3.13/lib/python3.13/pydoc.py", line 1992, in __call__
    self.help(request)
    ~~~~~~~~~^^^^^^^^^
  File "/opt/homebrew/Cellar/[email protected]/3.13.1/Frameworks/Python.framework/Versions/3.13/lib/python3.13/pydoc.py", line 2050, in help
    elif request: doc(request, 'Help on %s:', output=self._output, is_cli=is_cli)
                  ~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/homebrew/Cellar/[email protected]/3.13.1/Frameworks/Python.framework/Versions/3.13/lib/python3.13/pydoc.py", line 1764, in doc
    pager(render_doc(thing, title, forceload), f'Help on {what!s}')
          ~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/homebrew/Cellar/[email protected]/3.13.1/Frameworks/Python.framework/Versions/3.13/lib/python3.13/pydoc.py", line 1749, in render_doc
    return title % desc + '\n\n' + renderer.document(object, name)
                                   ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^
.....

lib/python3.13/pydoc.py", line 536, in document
    if inspect.isroutine(object): return self.docroutine(*args)
                                         ~~~~~~~~~~~~~~~^^^^^^^
  File "/opt/homebrew/Cellar/[email protected]/3.13.1/Frameworks/Python.framework/Versions/3.13/lib/python3.13/pydoc.py", line 1574, in docroutine
    pname = parentname(imfunc, mod)
  File "/opt/homebrew/Cellar/[email protected]/3.13.1/Frameworks/Python.framework/Versions/3.13/lib/python3.13/pydoc.py", line 245, in parentname
    return object.__module__ + '.' + name
           ~~~~~~~~~~~~~~~~~~^~~~~
TypeError: unsupported operand type(s) for +: 'NoneType' and 'str'

I've also just tried it with

import pydantic
help(pydantic)

Example Code

Start Repl
----
import pydantic
help(pydantic)

Python, Pydantic & OS Version

pydantic version: 2.10.4
        pydantic-core version: 2.27.2
          pydantic-core build: profile=release pgo=false
                 install path: /home/.venv/lib/python3.13/site-packages/pydantic
               python version: 3.13.1 (main, Dec  3 2024, 17:59:52) [Clang 16.0.0 (clang-1600.0.26.4)]
                     platform: macOS-15.2-arm64-arm-64bit-Mach-O
             related packages: pydantic-settings-2.7.1 typing_extensions-4.12.2
                       commit: unknown

[Viicos]

Opened an upstream issue: python/cpython#128772.