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-rw-r--r--pretyping/typeclasses_errors.ml1
1 files changed, 1 insertions, 0 deletions
diff --git a/pretyping/typeclasses_errors.ml b/pretyping/typeclasses_errors.ml
index ab7bb9dcb..f6de344a9 100644
--- a/pretyping/typeclasses_errors.ml
+++ b/pretyping/typeclasses_errors.ml
@@ -17,6 +17,7 @@ open Nametab
open Mod_subst
open Topconstr
open Compat
+open Pp
open Util
open Libnames
(*i*)