Add 500 page

app/__init__.py

@@ -133,6 +133,11 @@ def page_not_found(e):
 	return render_template("404.html"), 404
 
 
+@app.errorhandler(500)
+def server_error(e):
+	return render_template("500.html"), 500
+
+
 @babel.localeselector
 def get_locale():
 	if not request:

app/templates/500.html

@@ -0,0 +1,12 @@
+{% extends "base.html" %}
+
+{% block title %}
+	500 - Internal Server Error
+{% endblock %}
+
+{% block content %}
+	<h1>{{ self.title() }}</h1>
+	<p>
+		Don't worry, this error will have been automatically reported.
+	</p>
+{% endblock %}