Update app.py

app.py

@@ -102,6 +102,12 @@ from modules.database.semantic_mongo_db import (
     get_student_semantic_analysis
 )
 
+from modules.database.chat_mongo_db import ( 
+    store_chat_history,
+    get_chat_history
+)
+
+# Importaciones de base de datos
 from modules.studentact.student_activities_v2 import display_student_progress
 
 from modules.auth.auth import (