Merge pull request #1944 from alphagov/error-handling

Error handling

app/main/views/index.py

@@ -1,4 +1,4 @@
-from flask import redirect, render_template, request, url_for
+from flask import abort, redirect, render_template, request, url_for
 from flask_login import current_user, login_required
 from notifications_utils.international_billing_rates import (
     INTERNATIONAL_BILLING_RATES,
@@ -18,6 +18,13 @@ def index():
     return render_template('views/signedout.html')
 
 
+@main.route('/error/<int:status_code>')
+def error(status_code):
+    if status_code >= 500:
+        abort(404)
+    abort(status_code)
+
+
 @main.route("/verify-mobile")
 @login_required
 def verify_mobile():