Make OpenRouterProvider and DeepSeekProvider __init__ overloads less restrictive (#3739)

Co-authored-by: zhaobin <zhaobin@icbench.com>

Author: xcpky

pydantic_ai_slim/pydantic_ai/providers/deepseek.py

@@ -58,16 +58,16 @@ def model_profile(self, model_name: str) -> ModelProfile | None:
  ).update(profile)
 
  @overload
- def __init__(self) -> None: ...
+ def __init__(self, *, openai_client: AsyncOpenAI) -> None: ...
 
  @overload
- def __init__(self, *, api_key: str) -> None: ...
-
- @overload
- def __init__(self, *, api_key: str, http_client: httpx.AsyncClient) -> None: ...
-
- @overload
- def __init__(self, *, openai_client: AsyncOpenAI | None = None) -> None: ...
+ def __init__(
+ self,
+  *,
+  api_key: str | None = None,
+ openai_client: None = None,
+  http_client: httpx.AsyncClient | None = None,
+ ) -> None: ...
 
  def __init__(
  self,

pydantic_ai_slim/pydantic_ai/providers/openrouter.py

@@ -137,25 +137,18 @@ def model_profile(self, model_name: str) -> ModelProfile | None:
  ).update(profile)
 
  @overload
- def __init__(self) -> None: ...
+ def __init__(self, *, openai_client: AsyncOpenAI) -> None: ...
 
  @overload
- def __init__(self, *, api_key: str) -> None: ...
-
- @overload
- def __init__(self, *, api_key: str, http_client: httpx.AsyncClient) -> None: ...
-
- @overload
- def __init__(self, *, api_key: str, app_url: str, app_title: str) -> None: ...
-
- @overload
- def __init__(self, *, api_key: str, app_url: str, app_title: str, http_client: httpx.AsyncClient) -> None: ...
-
- @overload
- def __init__(self, *, http_client: httpx.AsyncClient) -> None: ...
-
- @overload
- def __init__(self, *, openai_client: AsyncOpenAI | None = None) -> None: ...
+ def __init__(
+ self,
+ *,
+ api_key: str | None = None,
+ app_url: str | None = None,
+ app_title: str | None = None,
+ openai_client: None = None,
+ http_client: httpx.AsyncClient | None = None,
+ ) -> None: ...
 
  def __init__(
  self,