From 94b2014f43cd0ab1089c3d84239b2a560c412018 Mon Sep 17 00:00:00 2001
From: Matthias Diener <mdiener@illinois.edu>
Date: Wed, 1 Jun 2022 16:16:04 -0500
Subject: [PATCH] small cleanup

---
 pymbolic/mapper/subst_applier.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pymbolic/mapper/subst_applier.py b/pymbolic/mapper/subst_applier.py
index f221575a..88b7e83b 100644
--- a/pymbolic/mapper/subst_applier.py
+++ b/pymbolic/mapper/subst_applier.py
@@ -20,10 +20,10 @@
 THE SOFTWARE.
 """
 
-import pymbolic.mapper
+from pymbolic.mapper import IdentityMapper
 
 
-class SubstitutionApplier(pymbolic.mapper.IdentityMapper):
+class SubstitutionApplier(IdentityMapper):
     """todo.
     """