From b947da3225619f38d8b3a3c58ac980c571df6601 Mon Sep 17 00:00:00 2001
From: Matt Wala <wala1@illinois.edu>
Date: Thu, 11 Apr 2019 18:50:55 -0500
Subject: [PATCH] Fix use of Indexed for sympy 1.4 (closes #11)

This test passes for me on sympy 1.3 as well, so I think the change is
backwards compatible.
---
 pymbolic/interop/sympy.py | 2 +-
 test/test_sympy.py        | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/pymbolic/interop/sympy.py b/pymbolic/interop/sympy.py
index 76ef76c..86f50dc 100644
--- a/pymbolic/interop/sympy.py
+++ b/pymbolic/interop/sympy.py
@@ -109,7 +109,7 @@ class PymbolicToSympyMapper(PymbolicToSympyLikeMapper):
                 *[self.sym.Symbol(v) for v in expr.variables])
 
     def map_subscript(self, expr):
-        return self.sym.tensor.indexed.Indexed(
+        return self.sym.Indexed(
             self.rec(expr.aggregate),
             *tuple(self.rec(i) for i in expr.index_tuple)
             )
diff --git a/test/test_sympy.py b/test/test_sympy.py
index d8a5c94..3cd55ac 100644
--- a/test/test_sympy.py
+++ b/test/test_sympy.py
@@ -54,7 +54,7 @@ def _test_to_pymbolic(mapper, sym, use_symengine):
     # indexed accesses
     if not use_symengine:
         i, j = sym.symbols("i,j")
-        assert mapper(sym.tensor.indexed.Indexed(x, i, j)) == x_[i_, j_]
+        assert mapper(sym.Indexed(x, i, j)) == x_[i_, j_]
 
     # constants
     import math
@@ -100,7 +100,7 @@ def _test_from_pymbolic(mapper, sym, use_symengine):
         assert mapper(x_[0]) == sym.Symbol("x_0")
     else:
         i, j = sym.symbols("i,j")
-        assert mapper(x_[i_, j_]) == sym.tensor.indexed.Indexed(x, i, j)
+        assert mapper(x_[i_, j_]) == sym.Indexed(x, i, j)
 
     assert mapper(prim.Variable("f")(x_)) == sym.Function("f")(x)
 
-- 
GitLab