`import tinker` fails on python 3.14

[vors]

Hello!

When trying to use tinker on python 3.14 on macos I'm getting this error

vors@mac: ~/src/tinker-test uv run python -c 'import tinker'
/Users/vors/src/tinker-test/.venv/lib/python3.14/site-packages/tinker/_compat.py:48: UserWarning: Core Pydantic V1 functionality isn't compatible with Python 3.14 or greater.
  from pydantic.v1.typing import (
Traceback (most recent call last):
  File "<string>", line 1, in <module>
    import tinker
  File "/Users/vors/src/tinker-test/.venv/lib/python3.14/site-packages/tinker/__init__.py", line 3, in <module>
    from . import types
  File "/Users/vors/src/tinker-test/.venv/lib/python3.14/site-packages/tinker/types/__init__.py", line 3, in <module>
    from .checkpoint import (
        Checkpoint as Checkpoint,
    )
  File "/Users/vors/src/tinker-test/.venv/lib/python3.14/site-packages/tinker/types/checkpoint.py", line 4, in <module>
    from .._models import BaseModel
  File "/Users/vors/src/tinker-test/.venv/lib/python3.14/site-packages/tinker/_models.py", line 499, in <module>
    class FinalRequestOptions(pydantic.BaseModel):
    ...<60 lines>...
            model_construct = construct
  File "/Users/vors/src/tinker-test/.venv/lib/python3.14/site-packages/pydantic/_internal/_model_construction.py", line 242, in __new__
    set_model_fields(cls, config_wrapper=config_wrapper, ns_resolver=ns_resolver)
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/vors/src/tinker-test/.venv/lib/python3.14/site-packages/pydantic/_internal/_model_construction.py", line 566, in set_model_fields
    fields, class_vars = collect_model_fields(cls, config_wrapper, ns_resolver, typevars_map=typevars_map)
                         ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/vors/src/tinker-test/.venv/lib/python3.14/site-packages/pydantic/_internal/_fields.py", line 256, in collect_model_fields
    type_hints = _typing_extra.get_model_type_hints(cls, ns_resolver=ns_resolver)
  File "/Users/vors/src/tinker-test/.venv/lib/python3.14/site-packages/pydantic/_internal/_typing_extra.py", line 350, in get_model_type_hints
    hints[name] = try_eval_type(value, globalns, localns)
                  ~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/vors/src/tinker-test/.venv/lib/python3.14/site-packages/pydantic/_internal/_typing_extra.py", line 404, in try_eval_type
    return eval_type_backport(value, globalns, localns), True
           ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/vors/src/tinker-test/.venv/lib/python3.14/site-packages/pydantic/_internal/_typing_extra.py", line 455, in eval_type_backport
    return _eval_type_backport(value, globalns, localns, type_params)
  File "/Users/vors/src/tinker-test/.venv/lib/python3.14/site-packages/pydantic/_internal/_typing_extra.py", line 492, in _eval_type_backport
    return _eval_type(value, globalns, localns, type_params)
  File "/Users/vors/src/tinker-test/.venv/lib/python3.14/site-packages/pydantic/_internal/_typing_extra.py", line 524, in _eval_type
    evaluated = typing._eval_type(  # type: ignore
        value,
    ...<9 lines>...
        prefer_fwd_module=True,
    )
TypeError: _eval_type() got an unexpected keyword argument 'prefer_fwd_module'
Unable to evaluate type annotation 'str'.

Full repro with more info and uv lockfile https://github.com/vors/tinker-test

It looks like a bug in pydantic though, but reporting here since it affects tinker.