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-rw-r--r--util/datamanager.lua2
1 files changed, 2 insertions, 0 deletions
diff --git a/util/datamanager.lua b/util/datamanager.lua
index dc98bd13..fb9ba3a4 100644
--- a/util/datamanager.lua
+++ b/util/datamanager.lua
@@ -17,7 +17,9 @@ local io_open = io.open;
local os_remove = os.remove;
local os_rename = os.rename;
local tonumber = tonumber;
+local tostring = tostring;
local next = next;
+local type = type;
local t_insert = table.insert;
local t_concat = table.concat;
local envloadfile = require"util.envload".envloadfile;