Update app.py

app.py

@@ -1215,7 +1215,7 @@ def generate_surprise_report(previous_report: str, crumbs_list: list, initial_qu
     generator = iterative_deep_research_gen(
         disruptive_query, reportstyle, breadth, depth, followup_clarifications,
         include_domains, exclude_keywords, additional_clarifications,
-        extra_context="", selected_engines=selected_engines, results_per_query=results_per_query, existing_queries, go_deeper=1
+        extra_context="", selected_engines=selected_engines, results_per_query=results_per_query, existing_queries=existing_queries, go_deeper=1
     )
     extension_report = ""
     for progress, rep, proc_log, new_crumbs in generator: