[Cherry-pick] Change Paddle CI-Cverage Python3.8 [32515] #33013

Change Paddle CI-Cverage Python3.8 Cherry-pick 32515

python/paddle/fluid/tests/unittests/mkldnn/test_fusion_gru_bf16_mkldnn_op.py

@@ -19,7 +19,6 @@ import numpy as np
 import struct
 import paddle.fluid.core as core
 from paddle.fluid.tests.unittests.op_test import OpTest, convert_float_to_uint16
-from paddle.fluid.tests.unittests.op_test import OpTest
 from paddle.fluid.tests.unittests.test_fusion_gru_op import fusion_gru
 from paddle.fluid.tests.unittests.test_fusion_lstm_op import fc, ACTIVATION
 

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

@@ -18,8 +18,8 @@ import unittest
 import numpy as np
 import math
 from op_test import OpTest
-from test_gru_op import gru
-from test_fusion_lstm_op import fc, ACTIVATION
+from paddle.fluid.tests.unittests.test_gru_op import gru
+from paddle.fluid.tests.unittests.test_fusion_lstm_op import fc, ACTIVATION
 
 
 def fusion_gru(

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

@@ -17,7 +17,7 @@ from __future__ import print_function
 import unittest
 import numpy as np
 from op_test import OpTest
-from test_lstm_op import lstm, ACTIVATION
+from paddle.fluid.tests.unittests.test_lstm_op import lstm, ACTIVATION
 
 
 def fc(x, w, b):

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

@@ -19,7 +19,7 @@ import numpy as np
 import math
 import functools
 from op_test import OpTest
-from test_lstm_op import ACTIVATION
+from paddle.fluid.tests.unittests.test_lstm_op import ACTIVATION
 from paddle import fluid
 from paddle.fluid import Program, program_guard