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-rw-r--r--pretyping/unification.ml2
1 files changed, 1 insertions, 1 deletions
diff --git a/pretyping/unification.ml b/pretyping/unification.ml
index ed01c6b7b..5f7e2916b 100644
--- a/pretyping/unification.ml
+++ b/pretyping/unification.ml
@@ -1337,7 +1337,7 @@ let w_unify_to_subterm env evd ?(flags=default_unify_flags ()) (op,cl) =
if closed0 cl && not (isEvar cl)
then
(try w_typed_unify env evd CONV flags op cl,cl
- with ex when Typeclasses_errors.unsatisfiable_exception ex ->
+ with ex when Pretype_errors.unsatisfiable_exception ex ->
bestexn := Some ex; error "Unsat")
else error "Bound 1"
with ex when precatchable_exception ex ->