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

templates/periods.html

@@ -4,7 +4,6 @@
     <span><h1>{% block title %} Periods {% endblock %}</h1></span> <a class="btn btn-primary" href="/period/new" role="button">New Period </a> <br> <br>
     <div>
         {% for period in periods %}
-        {% set convertedTime = datetime.strptime(period.periodTime, "%H:%M:%S") %}
         <div class="float-right">
         <form method="post"
             action="{{url_for('delete_period',
@@ -15,7 +14,7 @@
         <div class="float-right"><a type="button" class="btn btn-primary mr-1" href="/period/edit/{{ period.period }}">Edit</a>
         </div>
         <div>
-            <p><b>Period {{ period.period }}</b> <br> Time: {{ convertedTime.strftime("%I:%M %p") }} </p>
+            <p><b>Period {{ period.period }}</b> <br> Time: {{ period.periodTime.strftime("%I:%M %p") }} </p>
         </div>
         <hr>
         {% endfor %}