Upgrade openai-python to 2.8.0 for GPT 5.1 (#2091)

Author: ihower

pyproject.toml

@@ -7,7 +7,7 @@ requires-python = ">=3.9"
 license = "MIT"
 authors = [{ name = "OpenAI", email = "support@openai.com" }]
 dependencies = [
-    "openai>=2.7.1,<3",
+    "openai>=2.8.0,<3",
     "pydantic>=2.12.3, <3",
     "griffe>=1.5.6, <2",
     "typing-extensions>=4.12.2, <5",

src/agents/models/openai_responses.py

@@ -377,7 +377,7 @@ def convert_tool_choice(
         elif tool_choice == "web_search":
             return {
                 # TODO: revist the type: ignore comment when ToolChoice is updated in the future
-                "type": "web_search",  # type: ignore [typeddict-item]
+                "type": "web_search",  # type: ignore[misc, return-value]
             }
         elif tool_choice == "web_search_preview":
             return {
@@ -398,7 +398,7 @@ def convert_tool_choice(
         elif tool_choice == "mcp":
             # Note that this is still here for backwards compatibility,
             # but migrating to MCPToolChoice is recommended.
-            return {"type": "mcp"}  # type: ignore [typeddict-item]
+            return {"type": "mcp"}  # type: ignore[misc, return-value]
         else:
             return {
                 "type": "function",