[CodeStyle][B015] replace pointless comparisons with appropriate statements (#52126)

* [CodeStyle][B015] delete unused

* [CodeStyle][B015] add assert

pyproject.toml

@@ -100,7 +100,7 @@ select = [
     "B012",
     "B013",
     "B014",
-    # "B015",
+    "B015",
     "B016",
     # "B017",
     "B018",

python/paddle/fluid/tests/unittests/auto_parallel/test_dist_assign.py

@@ -65,8 +65,7 @@ class TestDistAssign(unittest.TestCase):
         for op in ops:
             if op.type == "assign":
                 dist_op = dist_context.get_dist_op_for_program(op)
-                dist_op.dist_attr.impl_type == "assign"
-                dist_op.dist_attr.impl_idx == 0
+                assert dist_op.dist_attr.impl_type == "assign"
 
                 x_name = op.input_arg_names[0]
                 out_name = op.output_arg_names[0]

python/paddle/fluid/tests/unittests/auto_parallel/test_dist_scale.py

@@ -60,8 +60,8 @@ class TestDistScale(unittest.TestCase):
         ops = dist_main_prog.global_block().ops
         scale_op = ops[0]
         dist_op = dist_context.get_dist_op_for_program(scale_op)
-        dist_op.dist_attr.impl_type == "scale"
-        dist_op.dist_attr.impl_idx == 0
+        assert dist_op.dist_attr.impl_type == "scale"
+        assert dist_op.dist_attr.impl_idx == 0
 
         in_name = scale_op.input_arg_names[0]
         out_name = scale_op.output_arg_names[0]

python/paddle/fluid/tests/unittests/auto_parallel/test_dist_shape.py

@@ -60,8 +60,8 @@ class TestDistShape(unittest.TestCase):
         ops = dist_main_prog.global_block().ops
         shape_op = ops[0]
         dist_op = dist_context.get_dist_op_for_program(shape_op)
-        dist_op.dist_attr.impl_type == "shape"
-        dist_op.dist_attr.impl_idx == 0
+        assert dist_op.dist_attr.impl_type == "shape"
+        assert dist_op.dist_attr.impl_idx == 0
 
         in_name = shape_op.input_arg_names[0]
         out_name = shape_op.output_arg_names[0]

python/paddle/fluid/tests/unittests/test_clip_op.py

@@ -113,7 +113,7 @@ class TestCase5(TestClipOp):
 
 class TestCase6(TestClipOp):
     def initTestCase(self):
-        self.dtype == np.float16
+        self.dtype = np.float16
         self.shape = (4, 8, 8)
         self.max = 0.7
         self.min = 0.2