bug fix for clarifiaction question

app.py

@@ -5,10 +5,16 @@ from agent import query_agent
 # Simulate your async agent interaction
 async def interact_with_agent(prompt: str):
     final_report = await query_agent(research_query=prompt)
-    final_report, refs = (
-        final_report.split("\n\n## References:\n\n")[0],
-        final_report.split("\n\n## References:\n\n")[1],
-    )
+
+    if len(final_report.split("\n\n## References:\n\n")) == 1:
+        final_report = final_report.split("\n\n## References:\n\n")[0]
+        refs = ""
+    elif len(final_report.split("\n\n## References:\n\n")) > 1:
+        final_report, refs = (
+            final_report.split("\n\n## References:\n\n")[0],
+            final_report.split("\n\n## References:\n\n")[1],
+        )
+
     return final_report, refs