Update app.py

app.py

@@ -6,8 +6,10 @@ from modules.ui import (
     login_register_page, 
     display_student_progress, 
     display_morphosyntax_analysis_interface, 
-    display_semantic_analysis_interface
+    display_semantic_analysis_interface, 
+    display_discourse_analysis_interface
 )
+from modules.discourse_analysis import perform_discourse_analysis
 from modules.spacy_utils import load_spacy_models
 import time