chore(internal): update pydantic dependency

Author: stainless-app[bot]

requirements-dev.lock

@@ -108,6 +108,7 @@ multidict==6.5.0
 mypy==1.14.1
 mypy-extensions==1.0.0
     # via mypy
+nest-asyncio==1.6.0
 nodeenv==1.8.0
     # via pyright
 nox==2023.4.22
@@ -133,11 +134,11 @@ portalocker==2.10.1
 propcache==0.3.2
     # via aiohttp
     # via yarl
-pycparser==2.22
+pycparser==2.23
     # via cffi
-pydantic==2.10.3
+pydantic==2.11.9
     # via openai
-pydantic-core==2.27.1
+pydantic-core==2.33.2
     # via pydantic
 pygments==2.18.0
     # via pytest
@@ -199,6 +200,9 @@ typing-extensions==4.12.2
     # via pydantic
     # via pydantic-core
     # via pyright
+    # via typing-inspection
+typing-inspection==0.4.1
+    # via pydantic
 tzdata==2024.1
     # via pandas
 urllib3==2.2.1

requirements.lock

@@ -67,11 +67,11 @@ pandas-stubs==2.2.2.240807
 propcache==0.3.2
     # via aiohttp
     # via yarl
-pycparser==2.22
+pycparser==2.23
     # via cffi
-pydantic==2.10.3
+pydantic==2.11.9
     # via openai
-pydantic-core==2.27.1
+pydantic-core==2.33.2
     # via pydantic
 python-dateutil==2.9.0.post0
     # via pandas
@@ -93,7 +93,10 @@ typing-extensions==4.12.2
     # via openai
     # via pydantic
     # via pydantic-core
-tzdata==2024.1
+    # via typing-inspection
+typing-inspection==0.4.1
+    # via pydantic
+tzdata==2025.2
     # via pandas
 websockets==15.0.1
     # via openai

src/openai/_models.py

@@ -281,14 +281,15 @@ def model_dump(
             mode: Literal["json", "python"] | str = "python",
             include: IncEx | None = None,
             exclude: IncEx | None = None,
-            by_alias: bool = False,
+            by_alias: bool | None = None,
             exclude_unset: bool = False,
             exclude_defaults: bool = False,
             exclude_none: bool = False,
             round_trip: bool = False,
             warnings: bool | Literal["none", "warn", "error"] = True,
             context: dict[str, Any] | None = None,
             serialize_as_any: bool = False,
+            fallback: Callable[[Any], Any] | None = None,
         ) -> dict[str, Any]:
             """Usage docs: https://docs.pydantic.dev/2.4/concepts/serialization/#modelmodel_dump
 
@@ -320,10 +321,12 @@ def model_dump(
                 raise ValueError("context is only supported in Pydantic v2")
             if serialize_as_any != False:
                 raise ValueError("serialize_as_any is only supported in Pydantic v2")
+            if fallback is not None:
+                raise ValueError("fallback is only supported in Pydantic v2")
             dumped = super().dict(  # pyright: ignore[reportDeprecated]
                 include=include,
                 exclude=exclude,
-                by_alias=by_alias,
+                by_alias=by_alias if by_alias is not None else False,
                 exclude_unset=exclude_unset,
                 exclude_defaults=exclude_defaults,
                 exclude_none=exclude_none,
@@ -338,13 +341,14 @@ def model_dump_json(
             indent: int | None = None,
             include: IncEx | None = None,
             exclude: IncEx | None = None,
-            by_alias: bool = False,
+            by_alias: bool | None = None,
             exclude_unset: bool = False,
             exclude_defaults: bool = False,
             exclude_none: bool = False,
             round_trip: bool = False,
             warnings: bool | Literal["none", "warn", "error"] = True,
             context: dict[str, Any] | None = None,
+            fallback: Callable[[Any], Any] | None = None,
             serialize_as_any: bool = False,
         ) -> str:
             """Usage docs: https://docs.pydantic.dev/2.4/concepts/serialization/#modelmodel_dump_json
@@ -373,11 +377,13 @@ def model_dump_json(
                 raise ValueError("context is only supported in Pydantic v2")
             if serialize_as_any != False:
                 raise ValueError("serialize_as_any is only supported in Pydantic v2")
+            if fallback is not None:
+                raise ValueError("fallback is only supported in Pydantic v2")
             return super().json(  # type: ignore[reportDeprecated]
                 indent=indent,
                 include=include,
                 exclude=exclude,
-                by_alias=by_alias,
+                by_alias=by_alias if by_alias is not None else False,
                 exclude_unset=exclude_unset,
                 exclude_defaults=exclude_defaults,
                 exclude_none=exclude_none,