From: Michael Orlitzky <michael@orlitzky.com>
Date: Wed, 3 Mar 2021 12:41:07 +0000 (-0500)
Subject: matrix_algebra: fix conditional categories.
X-Git-Url: https://gitweb.michael.orlitzky.com/?a=commitdiff_plain;h=c67a336953407573e133313151a42d17efd53d07;p=sage.d.git

matrix_algebra: fix conditional categories.
---

diff --git a/mjo/matrix_algebra.py b/mjo/matrix_algebra.py
index 8f75ef2..a695b0b 100644
--- a/mjo/matrix_algebra.py
+++ b/mjo/matrix_algebra.py
@@ -183,9 +183,9 @@ class MatrixAlgebra(CombinatorialFreeModule):
         category = category.WithBasis()
 
         if "Unital" in entry_algebra.category().axioms():
-            category.Unital()
+            category = category.Unital()
         if "Associative" in entry_algebra.category().axioms():
-            category.Associative()
+            category = category.Associative()
 
         self._nrows = n