Update Pipeline benchmark & trace logs & OCR Examples

python/examples/pipeline/ocr/web_service.py

@@ -11,7 +11,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-from paddle_serving_server_gpu.web_service import WebService, Op
+from paddle_serving_server.web_service import WebService, Op
 import logging
 import numpy as np
 import cv2