Remove unhelpful assert error messages in `test_math_opt.TestLocalErf(c)`

tests/tensor/test_math_opt.py

@@ -2751,17 +2751,11 @@ class TestLocalErf:
         x = vector()
 
         f = function([x], 1 + erf(x), mode=self.mode)
-        assert [n.op for n in f.maker.fgraph.toposort()] == [
-            mul,
-            erfc,
-        ], f.maker.fgraph.toposort()
+        assert [n.op for n in f.maker.fgraph.toposort()] == [mul, erfc]
         f(val)
 
         f = function([x], erf(x) + 1, mode=self.mode)
-        assert [n.op for n in f.maker.fgraph.toposort()] == [
-            mul,
-            erfc,
-        ], f.maker.fgraph.toposort()
+        assert [n.op for n in f.maker.fgraph.toposort()] == [mul, erfc]
         f(val)
 
         f = function([x], erf(x) + 2, mode=self.mode)
@@ -2777,29 +2771,23 @@ class TestLocalErf:
         x = vector()
 
         f = function([x], 1 - erf(x), mode=self.mode)
-        assert [n.op for n in f.maker.fgraph.toposort()] == [
-            erfc
-        ], f.maker.fgraph.toposort()
+        assert [n.op for n in f.maker.fgraph.toposort()] == [erfc]
         f(val)
 
         f = function([x], 1 + (-erf(x)), mode=self.mode)
-        assert [n.op for n in f.maker.fgraph.toposort()] == [
-            erfc
-        ], f.maker.fgraph.toposort()
+        assert [n.op for n in f.maker.fgraph.toposort()] == [erfc]
 
         f = function([x], (-erf(x)) + 1, mode=self.mode)
-        assert [n.op for n in f.maker.fgraph.toposort()] == [
-            erfc
-        ], f.maker.fgraph.toposort()
+        assert [n.op for n in f.maker.fgraph.toposort()] == [erfc]
 
         f = function([x], 2 - erf(x), mode=self.mode)
         topo = f.maker.fgraph.toposort()
-        assert len(topo) == 2, f.maker.fgraph.toposort()
-        assert topo[0].op == erf, f.maker.fgraph.toposort()
-        assert isinstance(topo[1].op, Elemwise), f.maker.fgraph.toposort()
+        assert len(topo) == 2
+        assert topo[0].op == erf
+        assert isinstance(topo[1].op, Elemwise)
         assert isinstance(topo[1].op.scalar_op, aes.Add) or isinstance(
             topo[1].op.scalar_op, aes.Sub
-        ), f.maker.fgraph.toposort()
+        )
 
     def test_local_erf_minus_one(self):
         val = np.asarray([-30, -3, -2, -1, 0, 1, 2, 3, 30], dtype=config.floatX)
@@ -2847,22 +2835,18 @@ class TestLocalErfc:
         x = vector("x")
 
         f = function([x], 1 - erfc(x), mode=self.mode)
-        assert [n.op for n in f.maker.fgraph.toposort()] == [
-            erf
-        ], f.maker.fgraph.toposort()
+        assert [n.op for n in f.maker.fgraph.toposort()] == [erf]
         f(val)
 
         f = function([x], (-erfc(x)) + 1, mode=self.mode)
-        assert [n.op for n in f.maker.fgraph.toposort()] == [
-            erf
-        ], f.maker.fgraph.toposort()
+        assert [n.op for n in f.maker.fgraph.toposort()] == [erf]
 
         f = function([x], 2 - erfc(x), mode=self.mode)
         topo = f.maker.fgraph.toposort()
-        assert len(topo) == 2, f.maker.fgraph.toposort()
-        assert topo[0].op == erfc, f.maker.fgraph.toposort()
-        assert isinstance(topo[1].op, Elemwise), f.maker.fgraph.toposort()
-        assert isinstance(topo[1].op.scalar_op, aes.Sub), f.maker.fgraph.toposort()
+        assert len(topo) == 2
+        assert topo[0].op == erfc
+        assert isinstance(topo[1].op, Elemwise)
+        assert isinstance(topo[1].op.scalar_op, aes.Sub)
 
     def test_local_erf_neg_minus_one(self):
         # test opt: (-1)+erfc(-x)=>erf(x)
@@ -2870,20 +2854,14 @@ class TestLocalErfc:
         x = vector("x")
 
         f = function([x], -1 + erfc(-x), mode=self.mode)
-        assert [n.op for n in f.maker.fgraph.toposort()] == [
-            erf
-        ], f.maker.fgraph.toposort()
+        assert [n.op for n in f.maker.fgraph.toposort()] == [erf]
         f(val)
 
         f = function([x], erfc(-x) - 1, mode=self.mode)
-        assert [n.op for n in f.maker.fgraph.toposort()] == [
-            erf
-        ], f.maker.fgraph.toposort()
+        assert [n.op for n in f.maker.fgraph.toposort()] == [erf]
 
         f = function([x], erfc(-x) + (-1), mode=self.mode)
-        assert [n.op for n in f.maker.fgraph.toposort()] == [
-            erf
-        ], f.maker.fgraph.toposort()
+        assert [n.op for n in f.maker.fgraph.toposort()] == [erf]
 
     @pytest.mark.xfail()
     def test_local_log_erfc(self):
@@ -2902,17 +2880,17 @@ class TestLocalErfc:
         mode_fusion.check_isfinite = False
 
         f = function([x], log(erfc(x)), mode=mode)
-        assert len(f.maker.fgraph.apply_nodes) == 23, len(f.maker.fgraph.apply_nodes)
+        assert len(f.maker.fgraph.apply_nodes) == 23
         assert f.maker.fgraph.outputs[0].dtype == config.floatX
         assert all(np.isfinite(f(val)))
 
         f = function([x], log(erfc(-x)), mode=mode)
-        assert len(f.maker.fgraph.apply_nodes) == 24, len(f.maker.fgraph.apply_nodes)
+        assert len(f.maker.fgraph.apply_nodes) == 24
         assert f.maker.fgraph.outputs[0].dtype == config.floatX
         assert all(np.isfinite(f(-val)))
 
         f = function([x], log(erfc(x)), mode=mode_fusion)
-        assert len(f.maker.fgraph.apply_nodes) == 1, len(f.maker.fgraph.apply_nodes)
+        assert len(f.maker.fgraph.apply_nodes) == 1
         assert f.maker.fgraph.outputs[0].dtype == config.floatX
         assert (
             len(
@@ -2921,10 +2899,6 @@ class TestLocalErfc:
                 .op.scalar_op.fgraph.apply_nodes
             )
             == 22
-        ), len(
-            f.maker.fgraph.toposort()[0]
-            .fgraph.toposort()[0]
-            .op.scalar_op.fgraph.apply_nodes
         )
         # TODO: fix this problem
         assert not (