Handle prototype modules with non-dicts as global variables

evennia/prototypes/prototypes.py

@@ -107,6 +107,7 @@ for mod in settings.PROTOTYPE_MODULES:
     # internally we store as (key, desc, locks, tags, prototype_dict)
     prots = []
     for variable_name, prot in all_from_module(mod).items():
+        if isinstance(prot, dict):
             if "prototype_key" not in prot:
                 prot['prototype_key'] = variable_name.lower()
             prots.append((prot['prototype_key'], homogenize_prototype(prot)))