Opt: No mxnet loading at first release_resources() for faster startup

module/ocr/al_ocr.py

@@ -2,15 +2,17 @@ import os
 
 import cv2
 import numpy as np
+from PIL import Image
+
+from module.exception import RequestHumanTakeover
+from module.logger import logger
+
+logger.info('Loading OCR dependencies')
 from cnocr import CnOcr
 from cnocr.cn_ocr import (check_model_name, data_dir, gen_network, load_module,
                           read_charset)
 from cnocr.fit.ctc_metrics import CtcMetrics
 from cnocr.hyperparams.cn_hyperparams import CnHyperparams as Hyperparams
-from PIL import Image
-
-from module.exception import RequestHumanTakeover
-from module.logger import logger
 
 
 def get_mxnet_context():