Fix nodes query bind_vars - only add bounds when all coordinates present

geo_app/schema.py

@@ -482,20 +482,24 @@ class Query(graphene.ObjectType):
             LIMIT @offset, @limit
             RETURN node
         """
-        cursor = db.aql.execute(
-            aql,
-            bind_vars={
+        bind_vars = {
             'transport_type': transport_type,
             'country': country,
             'search': search,
             'offset': 0 if offset is None else offset,
             'limit': 1000000 if limit is None else limit,
+        }
+
+        # Only add bounds to bind_vars if they are used
+        if west is not None and south is not None and east is not None and north is not None:
+            bind_vars.update({
                 'west': west,
                 'south': south,
                 'east': east,
                 'north': north,
-            },
-        )
+            })
+
+        cursor = db.aql.execute(aql, bind_vars=bind_vars)
 
         nodes = []
         for node in cursor: