fix call in tavily

app.py

@@ -58,7 +58,7 @@ def web_search(query: str) -> str:
     
     Args:
         query: The search query."""
-    search_docs = TavilySearchResults(max_results=3).invoke(query=query)
+    search_docs = TavilySearchResults(max_results=3).invoke(input=query)
     formatted_search_docs = "\n\n---\n\n".join(
         [
             f'<Document source="{doc.metadata["source"]}" page="{doc.metadata.get("page", "")}"/>\n{doc.page_content}\n</Document>'