move import to the front

ppocr/utils/utility.py

@@ -16,6 +16,7 @@ import logging
 import os
 import imghdr
 import cv2
+from paddle import fluid
 
 
 def initial_logger():
@@ -90,9 +91,6 @@ def check_and_read_gif(img_path):
     return None, False
 
 
-from paddle import fluid
-
-
 def create_multi_devices_program(program, loss_var_name):
     build_strategy = fluid.BuildStrategy()
     build_strategy.memory_optimize = False