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-rw-r--r--sorting_tubes.lua2
1 files changed, 2 insertions, 0 deletions
diff --git a/sorting_tubes.lua b/sorting_tubes.lua
index edaa24a..0d6ec2a 100644
--- a/sorting_tubes.lua
+++ b/sorting_tubes.lua
@@ -1,3 +1,5 @@
+local fs_helpers = pipeworks.fs_helpers
+
if pipeworks.enable_mese_tube then
local function update_formspec(pos)
local meta = minetest.get_meta(pos)