matrices: set the default value for dotprodsimp to None

oscarbenjamin · oscarbenjamin · commit 262134e5d06a · 2020-10-11T01:02:41.000+01:00
Update test_wester.
diff --git a/sympy/utilities/tests/test_wester.py b/sympy/utilities/tests/test_wester.py
@@ -1595,21 +1595,17 @@ def test_P27():
                 [0,  0, 0, a, 0],
                 [0, -2, 0, 0, 2]])
 
-    # XXX: 2-arg Mul hack
-    def mul2(x, y):
-        return Mul(x, y, evaluate=False)
-
     assert M.eigenvects() == [
         (a, 3, [
             Matrix([1, 0, 0, 0, 0]),
             Matrix([0, 0, 1, 0, 0]),
             Matrix([0, 0, 0, 1, 0])
         ]),
         (1 - I, 1, [
-            Matrix([0, mul2(-S(1)/2, -1 - I), 0, 0, 1])
+            Matrix([0, (1 + I)/2, 0, 0, 1])
         ]),
         (1 + I, 1, [
-            Matrix([0, mul2(-S(1)/2, -1 + I), 0, 0, 1])
+            Matrix([0, (1 - I)/2, 0, 0, 1])
         ]),
     ]
 
