eja: add subclass for Cartesian product elements.

[sage.d.git] / mjo / eja / eja_algebra.py

diff --git a/mjo/eja/eja_algebra.py b/mjo/eja/eja_algebra.py
index 7fb8027658bd7a407e52ab0525acd8a7470a3f6e..a8df29f6e94161016217a9e13f6c1cc73c30354e 100644 (file)
--- a/mjo/eja/eja_algebra.py
+++ b/mjo/eja/eja_algebra.py
@@ -31,7 +31,8 @@ from sage.modules.free_module import FreeModule, VectorSpace
 from sage.rings.all import (ZZ, QQ, AA, QQbar, RR, RLF, CLF,
                             PolynomialRing,
                             QuadraticField)
-from mjo.eja.eja_element import FiniteDimensionalEJAElement
+from mjo.eja.eja_element import (CartesianProductEJAElement,
+                                 FiniteDimensionalEJAElement)
 from mjo.eja.eja_operator import FiniteDimensionalEJAOperator
 from mjo.eja.eja_utils import _mat2vec
 
@@ -3163,7 +3164,7 @@ class CartesianProductEJA(CombinatorialFreeModule_CartesianProduct,
         except:
             raise ValueError("not an element of this algebra")
 
-    Element = FiniteDimensionalEJAElement
+    Element = CartesianProductEJAElement
 
 
 FiniteDimensionalEJA.CartesianProduct = CartesianProductEJA