diff --git a/aprendizations/learnapp.py b/aprendizations/learnapp.py
index b5fe9a9..266b9d5 100644
--- a/aprendizations/learnapp.py
+++ b/aprendizations/learnapp.py
@@ -159,8 +159,8 @@ class Application():
         await asyncio.sleep(random())
 
         with Session(self._engine) as session:
-            query = select(Student).where(Student.id == uid)
-            student = session.execute(query).scalar_one_or_none()
+            query_student = select(Student).where(Student.id == uid)
+            student = session.execute(query_student).scalar_one_or_none()
         if student is None:
             logger.info('User "%s" does not exist', uid)
             return False
@@ -179,8 +179,10 @@ class Application():
 
             # get topics for this student and set its current state
             with Session(self._engine) as session:
-                query = select(StudentTopic).where(StudentTopic.student_id == uid)
-                student_topics = session.execute(query).scalars().all()
+                query_student_topics = select(StudentTopic) \
+                                       .where(StudentTopic.student_id == uid)
+                student_topics = session.execute(query_student_topics) \
+                                        .scalars().all()
 
             state = {t.topic_id: {
                 'level': t.level,
--
libgit2 0.21.2