chore: drop support for EOL python 3.9

.github/workflows/run_example_scripts.yaml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
+        python-version: ['3.10', '3.11', '3.12', '3.13']
 
     steps:
       - name: Checkout code
@@ -42,18 +42,7 @@ jobs:
           touch README-PYPI.md # Create this file since the client is not built by Speakeasy
           uv build
 
-      - name: For python 3.9, install the client and run examples without extra dependencies.
-        if: matrix.python-version == '3.9'
-        run: |
-          PACKAGE="dist/$(ls dist | grep whl | head -n 1)"
-          uv pip install --system "$PACKAGE"
-          ./scripts/run_examples.sh --no-extra-dep
-        env:
-          MISTRAL_AGENT_ID: ${{ secrets.CI_AGENT_ID }}
-          MISTRAL_API_KEY: ${{ env.MISTRAL_API_KEY }}
-
-      - name: For python 3.10+, install client with extras and run all examples.
-        if: matrix.python-version != '3.9'
+      - name: Install client with extras and run all examples.
         run: |
           PACKAGE="dist/$(ls dist | grep whl | head -n 1)[agents]"
           uv pip install --system "$PACKAGE"

README.md

@@ -89,7 +89,7 @@ It's also possible to write a standalone Python script without needing to set up
 ```python
 #!/usr/bin/env -S uv run --script
 # /// script
-# requires-python = ">=3.9"
+# requires-python = ">=3.10"
 # dependencies = [
 #     "mistralai",
 # ]
@@ -117,8 +117,7 @@ installing the package:
 pip install "mistralai[agents]"
 ```
 
-> Note: Because of some of our dependencies, these features are only available for python version higher or equal to 
-> 3.10.
+> Note: These features require Python 3.10+ (the SDK minimum).
 
 <!-- Start SDK Example Usage [usage] -->
 ## SDK Example Usage

packages/mistralai_azure/pylintrc

@@ -89,7 +89,7 @@ persistent=yes
 
 # Minimum Python version to use for version dependent checks. Will default to
 # the version used to run pylint.
-py-version=3.9
+py-version=3.10
 
 # Discover python modules and packages in the file system subtree.
 recursive=no
@@ -660,4 +660,4 @@ init-import=no
 
 # List of qualified module names which can have objects that can redefine
 # builtins.
-redefining-builtins-modules=six.moves,past.builtins,future.builtins,builtins,io
+redefining-builtins-modules=six.moves,past.builtins,future.builtins,builtins,io

packages/mistralai_azure/pyproject.toml

@@ -3,7 +3,7 @@ name = "mistralai_azure"
 version = "1.6.0"
 description = "Python Client SDK for the Mistral AI API in Azure."
 authors = [{ name = "Mistral" }]
-requires-python = ">=3.9.2"
+requires-python = ">=3.10"
 readme = "README.md"
 dependencies = [
     "httpcore >=1.0.9",
@@ -63,4 +63,3 @@ ignore_missing_imports = true
 venvPath = "."
 venv = ".venv"
 
-

packages/mistralai_gcp/pylintrc

@@ -89,7 +89,7 @@ persistent=yes
 
 # Minimum Python version to use for version dependent checks. Will default to
 # the version used to run pylint.
-py-version=3.9
+py-version=3.10
 
 # Discover python modules and packages in the file system subtree.
 recursive=no

packages/mistralai_gcp/pyproject.toml

@@ -3,7 +3,7 @@ name = "mistralai-gcp"
 version = "1.6.0"
 description = "Python Client SDK for the Mistral AI API in GCP."
 authors = [{ name = "Mistral" }]
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 readme = "README-PYPI.md"
 dependencies = [
     "eval-type-backport >=0.2.0",
@@ -66,4 +66,3 @@ ignore_missing_imports = true
 venvPath = "."
 venv = ".venv"
 
-

pylintrc

@@ -90,7 +90,7 @@ persistent=yes
 
 # Minimum Python version to use for version dependent checks. Will default to
 # the version used to run pylint.
-py-version=3.9
+py-version=3.10
 
 # Discover python modules and packages in the file system subtree.
 recursive=no

pyproject.toml

@@ -3,7 +3,7 @@ name = "mistralai"
 version = "1.10.0"
 description = "Python Client SDK for the Mistral AI API."
 authors = [{ name = "Mistral" }]
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 readme = "README-PYPI.md"
 dependencies = [
     "eval-type-backport >=0.2.0",
@@ -25,7 +25,7 @@ gcp = [
     "requests >=2.32.3",
 ]
 agents = [
-    "mcp >=1.0,<2.0; python_version >= '3.10'",
+    "mcp >=1.0,<2.0",
     "griffe >=1.7.3,<2.0",
     "authlib >=1.5.2,<2.0",
 ]
@@ -42,7 +42,7 @@ dev = [
     "types-python-dateutil>=2.9.0.20240316,<3",
     "types-authlib>=1.5.0.20250516,<2",
     "types-pyyaml>=6.0.12.20250516,<7",
-    "mcp>=1.0,<2 ; python_version >= '3.10'",
+    "mcp>=1.0,<2",
     "griffe>=1.7.3,<2",
     "authlib>=1.5.2,<2",
 ]

src/mistralai/extra/mcp/auth.py

@@ -1,9 +1,8 @@
-from typing import Optional
+import logging
 
-from authlib.oauth2.rfc8414 import AuthorizationServerMetadata
-from authlib.integrations.httpx_client import AsyncOAuth2Client as AsyncOAuth2ClientBase
 import httpx
-import logging
+from authlib.integrations.httpx_client import AsyncOAuth2Client as AsyncOAuth2ClientBase
+from authlib.oauth2.rfc8414 import AuthorizationServerMetadata
 
 from mistralai.types import BaseModel
 
@@ -16,8 +15,8 @@ class Oauth2AuthorizationScheme(BaseModel):
     authorization_url: str
     token_url: str
     scope: list[str]
-    description: Optional[str] = None
-    refresh_url: Optional[str] = None
+    description: str | None = None
+    refresh_url: str | None = None
 
 
 class OAuthParams(BaseModel):
@@ -42,7 +41,7 @@ def from_oauth_params(cls, oauth_params: OAuthParams) -> "AsyncOAuth2Client":
 
 async def get_well_known_authorization_server_metadata(
     server_url: str,
-) -> Optional[AuthorizationServerMetadata]:
+) -> AuthorizationServerMetadata | None:
     """Fetch the metadata from the well-known location.
 
     This should be available on MCP servers as described by the specification:
@@ -123,10 +122,10 @@ async def dynamic_client_registration(
 async def build_oauth_params(
     server_url: str,
     redirect_url: str,
-    client_id: Optional[str] = None,
-    client_secret: Optional[str] = None,
-    scope: Optional[list[str]] = None,
-    async_client: Optional[httpx.AsyncClient] = None,
+    client_id: str | None = None,
+    client_secret: str | None = None,
+    scope: list[str] | None = None,
+    async_client: httpx.AsyncClient | None = None,
 ) -> OAuthParams:
     """Get issuer metadata and build the oauth required params."""
     metadata = await get_oauth_server_metadata(server_url=server_url)

src/mistralai/extra/mcp/base.py

@@ -1,8 +1,8 @@
-from typing import Optional, Sequence, Union
 import logging
 import typing
+from collections.abc import Sequence
 from contextlib import AsyncExitStack
-from typing import Protocol, Any
+from typing import Any, Protocol
 
 from mcp import ClientSession  # pyright: ignore[reportMissingImports]
 from mcp.types import (  # pyright: ignore[reportMissingImports]
@@ -23,16 +23,16 @@
 
 
 class MCPSystemPrompt(typing.TypedDict):
-    description: Optional[str]
-    messages: list[Union[SystemMessageTypedDict, AssistantMessageTypedDict]]
+    description: str | None
+    messages: list[SystemMessageTypedDict | AssistantMessageTypedDict]
 
 
 class MCPClientProtocol(Protocol):
     """MCP client that converts MCP artifacts to Mistral format."""
 
     _name: str
 
-    async def initialize(self, exit_stack: Optional[AsyncExitStack]) -> None:
+    async def initialize(self, exit_stack: AsyncExitStack | None) -> None:
         ...
 
     async def aclose(self) -> None:
@@ -42,7 +42,7 @@ async def get_tools(self) -> list[FunctionTool]:
         ...
 
     async def execute_tool(
-        self, name: str, arguments: dict
+        self, name: str, arguments: dict[str, Any]
     ) -> list[TextChunkTypedDict]:
         ...
 
@@ -60,9 +60,9 @@ class MCPClientBase(MCPClientProtocol):
 
     _session: ClientSession
 
-    def __init__(self, name: Optional[str] = None):
+    def __init__(self, name: str | None = None):
         self._name = name or self.__class__.__name__
-        self._exit_stack: Optional[AsyncExitStack] = None
+        self._exit_stack: AsyncExitStack | None = None
         self._is_initialized = False
 
     def _convert_content(self, mcp_content: ContentBlock) -> TextChunkTypedDict:
@@ -109,7 +109,7 @@ async def get_system_prompt(
             "description": prompt_result.description,
             "messages": [
                 typing.cast(
-                    Union[SystemMessageTypedDict, AssistantMessageTypedDict],
+                    SystemMessageTypedDict | AssistantMessageTypedDict,
                     {
                         "role": message.role,
                         "content": self._convert_content(mcp_content=message.content),
@@ -122,7 +122,7 @@ async def get_system_prompt(
     async def list_system_prompts(self) -> ListPromptsResult:
         return await self._session.list_prompts()
 
-    async def initialize(self, exit_stack: Optional[AsyncExitStack] = None) -> None:
+    async def initialize(self, exit_stack: AsyncExitStack | None = None) -> None:
         """Initialize the MCP session."""
         # client is already initialized so return
         if self._is_initialized:

src/mistralai/extra/mcp/sse.py

@@ -1,22 +1,20 @@
 import http
 import logging
-import typing
-from typing import Any, Optional
 from contextlib import AsyncExitStack
 from functools import cached_property
+from typing import Any
 
 import httpx
+from anyio.streams.memory import MemoryObjectReceiveStream, MemoryObjectSendStream
+from authlib.oauth2.rfc6749 import OAuth2Token
+from mcp.client.sse import sse_client  # pyright: ignore[reportMissingImports]
+from mcp.shared.message import SessionMessage  # pyright: ignore[reportMissingImports]
 
 from mistralai.extra.exceptions import MCPAuthException
 from mistralai.extra.mcp.base import (
     MCPClientBase,
 )
 from mistralai.extra.mcp.auth import OAuthParams, AsyncOAuth2Client
-from anyio.streams.memory import MemoryObjectReceiveStream, MemoryObjectSendStream
-
-from mcp.client.sse import sse_client  # pyright: ignore[reportMissingImports]
-from mcp.shared.message import SessionMessage  # pyright: ignore[reportMissingImports]
-from authlib.oauth2.rfc6749 import OAuth2Token
 
 from mistralai.types import BaseModel
 
@@ -27,7 +25,7 @@ class SSEServerParams(BaseModel):
     """Parameters required for a MCPClient with SSE transport"""
 
     url: str
-    headers: Optional[dict[str, Any]] = None
+    headers: dict[str, Any] | None = None
     timeout: float = 5
     sse_read_timeout: float = 60 * 5
 
@@ -41,20 +39,20 @@ class MCPClientSSE(MCPClientBase):
     This is possibly going to change in the future since the protocol has ongoing discussions.
     """
 
-    _oauth_params: Optional[OAuthParams]
+    _oauth_params: OAuthParams | None
     _sse_params: SSEServerParams
 
     def __init__(
         self,
         sse_params: SSEServerParams,
-        name: Optional[str] = None,
-        oauth_params: Optional[OAuthParams] = None,
-        auth_token: Optional[OAuth2Token] = None,
+        name: str | None = None,
+        oauth_params: OAuthParams | None = None,
+        auth_token: OAuth2Token | None = None,
     ):
         super().__init__(name=name)
         self._sse_params = sse_params
-        self._oauth_params: Optional[OAuthParams] = oauth_params
-        self._auth_token: Optional[OAuth2Token] = auth_token
+        self._oauth_params: OAuthParams | None = oauth_params
+        self._auth_token: OAuth2Token | None = auth_token
 
     @cached_property
     def base_url(self) -> str:
@@ -142,7 +140,7 @@ async def requires_auth(self) -> bool:
     async def _get_transport(
         self, exit_stack: AsyncExitStack
     ) -> tuple[
-        MemoryObjectReceiveStream[typing.Union[SessionMessage, Exception]],
+        MemoryObjectReceiveStream[SessionMessage | Exception],
         MemoryObjectSendStream[SessionMessage],
     ]:
         try: