Don't raise RuntimeError on DuckDuckGoSearchTool and TavilySearchTool when result not found (#1536)

Author: bputzeys

pydantic_ai_slim/pydantic_ai/common_tools/duckduckgo.py

@@ -54,8 +54,6 @@ async def __call__(self, query: str) -> list[DuckDuckGoResult]:
         """
         search = functools.partial(self.client.text, max_results=self.max_results)
         results = await anyio.to_thread.run_sync(search, query)
-        if len(results) == 0:
-            raise RuntimeError('No search results found.')
         return duckduckgo_ta.validate_python(results)
 
 

pydantic_ai_slim/pydantic_ai/common_tools/tavily.py

@@ -63,8 +63,6 @@ async def __call__(
             The search results.
         """
         results = await self.client.search(query, search_depth=search_deep, topic=topic, time_range=time_range)  # type: ignore[reportUnknownMemberType]
-        if not results['results']:
-            raise RuntimeError('No search results found.')
         return tavily_search_ta.validate_python(results['results'])