Update app.py

app.py

@@ -54,7 +54,7 @@ from session_rag import SessionRAG
 
 # NEW: dynamic data analysis framework
 from data_registry import DataRegistry
-from schema_mapper import map_concepts, build_phase1_questions
+from schema_mapper import map_concepts, build_phase1_questions, MappingResult
 from auto_metrics import build_data_findings_markdown
 
 # ---------- Config ----------
@@ -620,4 +620,3 @@ if __name__ == "__main__":
     demo.launch(server_name="0.0.0.0", server_port=port, show_api=False, max_threads=40)
 
 
-