How to initialize a ref seq type

[solomonthewise]

I have a type defined as follows. 
    
    
     Lis* = ref seq[MalType] not nil
    
    Run

but when I try to initialize it like this 
    
    
    x: Lis = @[] #or
    x: Lis[] = @[] 
    
    Run

i get a error