From c52251b59f888d3d9a2821ee5189daff95d056a9 Mon Sep 17 00:00:00 2001
From: Matthias Koeppe <mkoeppe@math.ucdavis.edu>
Date: Tue, 5 Oct 2021 21:21:18 -0700
Subject: [PATCH] src/sage/symbolic/ring.pyx: Update imports

---
 src/sage/symbolic/ring.pyx | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/sage/symbolic/ring.pyx b/src/sage/symbolic/ring.pyx
index cca5dec8fee..512c996a8d3 100644
--- a/src/sage/symbolic/ring.pyx
+++ b/src/sage/symbolic/ring.pyx
@@ -34,7 +34,6 @@ The symbolic ring
 from sage.rings.integer cimport Integer
 
 from sage.symbolic.expression cimport (
-    is_Expression,
     _latex_Expression,
     _repr_Expression,
     new_Expression,
@@ -43,7 +42,7 @@ from sage.symbolic.expression cimport (
     new_Expression_symbol,
 )
 
-from sage.structure.element cimport Element
+from sage.structure.element cimport Element, Expression
 from sage.categories.morphism cimport Morphism
 from sage.structure.coerce cimport is_numpy_type