Admin: fix route admin when a property is newly set

1 files changed, 8 insertions, 5 deletions

diff --git a/chimere/admin.py b/chimere/admin.py
index 4b83878..996dfd5 100644
--- a/chimere/admin.py
+++ b/chimere/admin.py
@@ -210,17 +210,19 @@ class MarkerAdmin(admin.ModelAdmin):
                  }),
                 )
     inlines = [MultimediaInline, PictureInline]
+    has_properties = True
 
     def __init__(self, *args, **kwargs):
         """
         Manage properties in fieldsets.
         """
-        main_fields = self.fieldsets[0][1]['fields']
-        for pm in PropertyModel.objects.filter(available=True).order_by('order'
+        if self.has_properties:
+            main_fields = self.fieldsets[0][1]['fields']
+            for pm in PropertyModel.objects.filter(available=True).order_by('order'
                                                ).all():
-            pm_name = pm.getNamedId()
-            if pm_name not in main_fields:
-                main_fields.append(pm_name)
+                pm_name = pm.getNamedId()
+                if pm_name not in main_fields:
+                    main_fields.append(pm_name)
         super(MarkerAdmin, self).__init__(*args, **kwargs)
 
     def queryset(self, request):
@@ -286,6 +288,7 @@ class RouteAdmin(MarkerAdmin):
                  }),
                 )
     inlines = []
+    has_properties = False
 
     def queryset(self, request):
         qs = self.model._default_manager.get_query_set()