move class?

app.py

@@ -17,8 +17,6 @@ GPIO.setmode(GPIO.BCM)
 GPIO.setwarnings(False)
 
 db = SQLAlchemy(app)
-os.environ['cost_per_kWh'] = '0.1622'
-
 
 # TODO: Move this into daily_usage class file
 class DailyUsage(db.Model):
@@ -36,6 +34,9 @@ class DailyUsage(db.Model):
         return '<DailyUsage %r, %r, %r>' % (self.id, self.date, self.kwhUsed)
 
 
+os.environ['cost_per_kWh'] = '0.1622'
+
+
 def get_todays_usage():
     latest_entry = DailyUsage.query.order_by(desc(DailyUsage.date)).first()
     # latest_entry = db.session.query(DailyUsage).order_by(DailyUsage.date.asc()).first()