Linting update

OpenOversight/app/templates/403.html

@@ -1,10 +1,12 @@
 {% extends "base.html" %}
-{% block title %}Forbidden{% endblock %}
+{% block title %}
+    Forbidden
+{% endblock title %}
 {% block content %}
     <div class="container theme-showcase" role="main">
         <h1>Forbidden</h1>
         <p>
             You do not have permissions to view this page. <a href="{{ url_for("main.index") }}">Return to homepage</a>.
         </p>
     </div>
-{% endblock %}
+{% endblock content %}

OpenOversight/app/templates/404.html

@@ -1,10 +1,12 @@
 {% extends "base.html" %}
-{% block title %}Page Not Found{% endblock %}
+{% block title %}
+    Page Not Found
+{% endblock title %}
 {% block content %}
     <div class="container theme-showcase" role="main">
         <h1>Page Not Found</h1>
         <p>
             We couldn't find the page you are looking for. <a href="{{ url_for("main.index") }}">Return to homepage</a>.
         </p>
     </div>
-{% endblock %}
+{% endblock content %}