Trac #33336: Fix deprecation warning with scipy 1.8.

URL: https://trac.sagemath.org/33336
Reported by: arojas
Ticket author(s): Antonio Rojas
Reviewer(s): Matthias Koeppe

Author: Release Manager

src/sage/tests/books/computational-mathematics-with-sagemath/linsolve_doctest.py

@@ -356,7 +356,7 @@
 
 Sage example in ./linsolve.tex, line 2609::
 
-  sage: from scipy.sparse.linalg.dsolve import *
+  sage: from scipy.sparse.linalg import factorized
   sage: from scipy.sparse import lil_matrix
   sage: from numpy import array
   sage: n = 200