fix

Author: seratch

src/agents/models/openai_responses.py

@@ -469,14 +469,17 @@ def _convert_tool(cls, tool: Tool) -> tuple[ToolParam, ResponseIncludable | None
             }
             includes: ResponseIncludable | None = None
         elif isinstance(tool, WebSearchTool):
-            # TODO: revist the type: ignore comment when ToolParam is updated in the future
-            converted_tool = {
-                "type": "web_search",
-                "filters": tool.filters.model_dump() if tool.filters is not None else None,  # type: ignore [typeddict-item]
-                "user_location": tool.user_location,
-                "search_context_size": tool.search_context_size,
-                "external_web_access": tool.external_web_access,
-            }
+            # TODO: Remove the cast when ToolParam adds external_web_access.
+            converted_tool = cast(
+                ToolParam,
+                {
+                    "type": "web_search",
+                    "filters": tool.filters.model_dump() if tool.filters is not None else None,
+                    "user_location": tool.user_location,
+                    "search_context_size": tool.search_context_size,
+                    "external_web_access": tool.external_web_access,
+                },
+            )
             includes = None
         elif isinstance(tool, FileSearchTool):
             converted_tool = {

src/agents/tool.py

@@ -233,7 +233,9 @@ class WebSearchTool:
     """The amount of context to use for the search."""
 
     external_web_access: bool | None = None
-    """Control whether the web search tool fetches live content or uses only cached/indexed results in the Responses API. Set external_web_access: false on the web_search tool to run in offline/cache-only mode. Default is true (live access) if you do not set it.
+    """Control whether the web search tool fetches live content or uses only cached/indexed
+    results in the Responses API. Set external_web_access: false on the web_search tool to run
+    in offline or cache-only mode. Default is true (live access) if you do not set it.
     """
 
     @property