change list.

main.lua

@@ -35,11 +35,7 @@ function API._builtCandidateTree(...)
     return candidates
 end
 function API.list(...)
-    local final = {}
-    for _,v in pairs(API._builtCandidateTree(...)) do
-        table.insert(final, fs.list(v))
-    end
-    return final
+    return API._builtCandidateTree(...)
 end
 
 print("Disks: ")