Adding 502 error handling

CTFd/errors.py

@@ -10,5 +10,9 @@ def init_errors(app):
         return render_template('errors/403.html'), 403
 
     @app.errorhandler(500)
-    def forbidden(error):
+    def general_error(error):
         return render_template('errors/500.html'), 500
+    
+    @app.errorhandler(502)
+    def gateway_error(error):
+        return render_template('errors/502.html'), 502

templates/errors/502.html

@@ -0,0 +1,13 @@
+{% extends "base.html" %}
+
+{% block content %}
+
+<div class="row">
+    <h2 style="text-align:center;">That action isn't allowed</h2>
+</div>
+
+
+{% endblock %}
+
+{% block scripts %}
+{% endblock %}