Update app.py

app.py

@@ -21,10 +21,10 @@ from google.genai import types
 import azure.cognitiveservices.speech as speechsdk
 
 # --- KLP Modules ---
-from korean_rules import rule_engine
-from content_pack import get_active_pack, replace_active_pack
-from learner_model import get_or_create_session, get_session, delete_session, purge_stale_sessions
-from question_generator import QuestionGenerator, QTYPE_TO_RULE
+from .korean_rules import rule_engine
+from .content_pack import get_active_pack, replace_active_pack
+from .learner_model import get_or_create_session, get_session, delete_session, purge_stale_sessions
+from .question_generator import QuestionGenerator, QTYPE_TO_RULE
 
 import sys