08-30 17:54:18 [::] Traceback (most recent call last):
18-08-30 17:54:18 [::]   File "/home/nmatlaga/Projects/evennia/evennia/evennia/commands/cmdhandler.py", line 591, in _run_command
18-08-30 17:54:18 [::]     ret = cmd.func()
18-08-30 17:54:18 [::]   File "/home/nmatlaga/Projects/evennia/ainneve/commands/building.py", line 91, in func
18-08-30 17:54:18 [::]     self.caller.msg(string + _show_prototypes(prototypes))
18-08-30 17:54:18 [::]   File "/home/nmatlaga/Projects/evennia/ainneve/commands/building.py", line 85, in _show_prototypes
18-08-30 17:54:18 [::]     string %= utils.fill(", ".join(sorted(prototypes.keys())))
18-08-30 17:54:18 [::] AttributeError: 'list' object has no attribute 'keys'