diff --git a/thermostat.py b/thermostat.py
index d93e5f2..80981bd 100644
--- a/thermostat.py
+++ b/thermostat.py
@@ -11,6 +11,18 @@ import sys
 import datetime
 import time
 
+# This code has been written for
+# python3-flask                  2.2.2-3                   all          micro web framework based on Werkzeug and Jinja2 - Python 3.x
+# python3-flask-migrate          4.0.4-1                   all          SQLAlchemy migrations for Flask using Alembic and Python 3
+# python3-flask-sqlalchemy       3.0.3-1                   all          adds SQLAlchemy support to your Python 3 Flask application
+# alembic                        1.8.1-2                   all          lightweight database migration tool for SQLAlchemy
+# python3-alembic                1.8.1-2                   all          lightweight database migration tool for SQLAlchemy - Python module
+# python3-sqlalchemy             1.4.46+ds1-1              all          SQL toolkit and Object Relational Mapper for Python 3
+# python3-sqlalchemy-ext:i386    1.4.46+ds1-1+b1           i386         SQL toolkit and Object Relational Mapper for Python3 - C extension
+
+# Flask-SQLAlchemy documentation: https://flask-sqlalchemy.palletsprojects.com/en/3.0.x/quickstart/
+# We use SQLAlchemy ORM style 2.x: https://docs.sqlalchemy.org/en/20/tutorial/data_select.html
+
 logging.basicConfig(level=logging.WARNING)
 
 authorizations = {
@@ -119,7 +131,7 @@ def get_metric(metric, current_time, interval):
 
 def get_forced_mode():
   with app.app_context():
-    row = db.session.query(Set_mode.value, Set_mode.timestamp).first()
+    row = db.session.execute(db.select(Set_mode.value, Set_mode.timestamp)).first()
   #cur.execute("SELECT value, timestamp FROM set_mode WHERE name='mode'")
   #row = cur.fetchone()
   data = dict(zip(['value', 'timestamp'], row))
@@ -221,8 +233,7 @@ while True:
   current_date = datetime.datetime.now()
   today_awake_time = current_date.replace(hour=int(awake_hour.split(':')[0]), minute=int(awake_hour.split(':')[1]), second=0, microsecond=0)
   today_sleep_time = current_date.replace(hour=int(sleep_hour.split(':')[0]), minute=int(sleep_hour.split(':')[1]), second=0, microsecond=0)
-  #forced_mode = get_forced_mode()
-  forced_mode = None
+  forced_mode = get_forced_mode()
   if forced_mode is not None and forced_mode in targets:
     if target_name != forced_mode:
       target_name = forced_mode