From 04fe32df1aa440e9a3ba03a381e22f6cf81b1575 Mon Sep 17 00:00:00 2001
From: Sandro Mani <manisandro@gmail.com>
Date: Thu, 30 Nov 2023 21:48:50 +0100
Subject: [PATCH] Survive wms with no layers

---
 feature_info_service.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/feature_info_service.py b/feature_info_service.py
index aba8d07..1ef25e7 100644
--- a/feature_info_service.py
+++ b/feature_info_service.py
@@ -582,7 +582,8 @@ def load_resources(self, config):
             # collect map layers
             layers = {}
             group_layers = {}
-            self.collect_layers(wms['root_layer'], layers, group_layers)
+            if wms['root_layer'] is not None:
+                self.collect_layers(wms['root_layer'], layers, group_layers)
 
             wms_services[wms['name']] = {
                 'layers': layers,