convert to proper time db object, get rid of the 'str' messes

app.py

@@ -25,7 +25,7 @@ app.register_blueprint(auth_blueprint)
 
 class Period(db.Model):
     period = db.Column(db.Integer, primary_key=True)
-    periodTime = db.Column(db.Integer)
+    periodTime = db.Column(db.Time)
     weekendSchedule = db.Column(db.Boolean)
 
     def __repr__(self):
@@ -90,7 +90,7 @@ def editPeriod(periodNum):
     period = Period.query.get_or_404(periodNum)
     form = PeriodForm(obj=period)
     if form.validate_on_submit():
-        period.periodTime = str(form.periodTime.data)
+        period.periodTime = form.periodTime.data
         period.weekendSchedule = form.weekendSchedule.data
         db.session.commit()
         return redirect(f'/period/edit/{periodNum}')
@@ -107,7 +107,7 @@ def delete_period(periodNum):
 def newPeriod():
     form = PeriodForm()
     if form.validate_on_submit():
-        period = Period(periodTime=str(form.periodTime.data),
+        period = Period(periodTime=form.periodTime.data,
                          weekendSchedule=form.weekendSchedule.data
         )
         print(period.periodTime)