tracks/ocaml/tools/test-generator/templates/luhn/template.ml in trackler-2.1.0.21 vs tracks/ocaml/tools/test-generator/templates/luhn/template.ml in trackler-2.1.0.22

@@ -1,5 +1,5 @@
-open Core.Std
+open Core
 open OUnit2
 open Luhn
 
 let assert_valid expected input _test_ctxt = 
   assert_equal ~printer:Bool.to_string expected (valid input)