refine code

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

@@ -350,7 +350,6 @@ class OpTest(unittest.TestCase):
                 actual_t = np.array(actual)
                 expect = self.outputs[out_name]
                 expect_t = expect[0] if isinstance(expect, tuple) else expect
-                #import pdb; pdb.set_trace()
                 self.assertTrue(
                     np.allclose(
                         actual_t, expect_t, atol=atol, equal_nan=equal_nan),