fix: Python 3.10 compatibility

- Use timezone.utc instead of datetime.UTC (introduced in Python 3.11)
- Update ruff target-version from py311 to py310
- Remove unused ty: ignore comments for unresolved-import
- Add ty: ignore for deprecated langgraph.prebuilt.create_react_agent

Author: ryoppippi

pyproject.toml

@@ -78,7 +78,7 @@ markers = [
 
 [tool.ruff]
 line-length = 110
-target-version = "py311"
+target-version = "py310"
 
 [tool.ruff.lint]
 select = [

stackone_ai/integrations/langgraph.py

@@ -23,7 +23,7 @@
 
 def _ensure_langgraph() -> None:
     try:
-        from langgraph import prebuilt as _  # noqa: F401  # ty: ignore[unresolved-import]
+        from langgraph import prebuilt as _  # noqa: F401
     except Exception as e:  # pragma: no cover
         raise ImportError(
             "LangGraph is not installed. Install with `pip install langgraph` or "
@@ -45,7 +45,7 @@ def to_tool_node(tools: Tools | Sequence[BaseTool], **kwargs: Any) -> Any:
     for inclusion in a graph.
     """
     _ensure_langgraph()
-    from langgraph.prebuilt import ToolNode  # ty: ignore[unresolved-import]
+    from langgraph.prebuilt import ToolNode
 
     langchain_tools = _to_langchain_tools(tools)
     return ToolNode(langchain_tools, **kwargs)
@@ -58,7 +58,7 @@ def to_tool_executor(tools: Tools | Sequence[BaseTool], **kwargs: Any) -> Any:
     This function now returns a ToolNode for compatibility.
     """
     _ensure_langgraph()
-    from langgraph.prebuilt import ToolNode  # ty: ignore[unresolved-import]
+    from langgraph.prebuilt import ToolNode
 
     langchain_tools = _to_langchain_tools(tools)
     return ToolNode(langchain_tools, **kwargs)
@@ -81,6 +81,6 @@ def create_react_agent(llm: Any, tools: Tools | Sequence[BaseTool], **kwargs: An
     `Tools` collection from this SDK.
     """
     _ensure_langgraph()
-    from langgraph.prebuilt import create_react_agent as _create  # ty: ignore[unresolved-import]
+    from langgraph.prebuilt import create_react_agent as _create  # ty: ignore[deprecated]
 
-    return _create(llm, _to_langchain_tools(tools), **kwargs)
+    return _create(llm, _to_langchain_tools(tools), **kwargs)  # ty: ignore[deprecated]

stackone_ai/models.py

@@ -4,7 +4,7 @@
 import json
 import logging
 from collections.abc import Sequence
-from datetime import UTC, datetime
+from datetime import datetime, timezone
 from enum import Enum
 from typing import Annotated, Any, ClassVar, TypeAlias, cast
 from urllib.parse import quote
@@ -196,7 +196,7 @@ def execute(
             StackOneAPIError: If the API request fails
             ValueError: If the arguments are invalid
         """
-        datetime.now(UTC)
+        datetime.now(timezone.utc)
         feedback_options: JsonDict = {}
         result_payload: JsonDict | None = None
         response_status: int | None = None
@@ -266,7 +266,7 @@ def execute(
             status = "error"
             raise StackOneError(f"Request failed: {exc}") from exc
         finally:
-            datetime.now(UTC)
+            datetime.now(timezone.utc)
             metadata: JsonDict = {
                 "http_method": self._execute_config.method,
                 "url": url_used,