fix: #2783 depend on griffelib directly for docstring parsing (#2791)

Author: seratch

pyproject.toml

@@ -9,7 +9,7 @@ authors = [{ name = "OpenAI", email = "support@openai.com" }]
 dependencies = [
     "openai>=2.26.0,<3",
     "pydantic>=2.12.2, <3",
-    "griffe>=1.5.6, <2",
+    "griffelib>=2, <3",
     "typing-extensions>=4.12.2, <5",
     "requests>=2.0, <3",
     "types-requests>=2.0, <3",

src/agents/function_schema.py

@@ -7,7 +7,8 @@
 from dataclasses import dataclass
 from typing import Annotated, Any, Callable, Literal, get_args, get_origin, get_type_hints
 
-from griffe import Docstring, DocstringSectionKind
+# griffelib exposes the `griffe` package at runtime but currently does not ship typing markers.
+from griffe import Docstring, DocstringSectionKind  # type: ignore[import-untyped]
 from pydantic import BaseModel, Field, create_model
 from pydantic.fields import FieldInfo