diff --git a/model_zoo/official/cv/maskrcnn_mobilenetv1/src/dataset.py b/model_zoo/official/cv/maskrcnn_mobilenetv1/src/dataset.py
index bb055bde2c0..ddc294b44f0 100644
--- a/model_zoo/official/cv/maskrcnn_mobilenetv1/src/dataset.py
+++ b/model_zoo/official/cv/maskrcnn_mobilenetv1/src/dataset.py
@@ -17,15 +17,15 @@
 from __future__ import division
 
 import os
+import mmcv
+import cv2
 import numpy as np
 from numpy import random
-
-import mmcv
 import mindspore.dataset as de
 import mindspore.dataset.vision.c_transforms as C
 from mindspore.mindrecord import FileWriter
 from src.config import config
-import cv2
+
 
 def bbox_overlaps(bboxes1, bboxes2, mode='iou'):
     """Calculate the ious between each bbox of bboxes1 and bboxes2.
diff --git a/model_zoo/official/cv/maskrcnn_mobilenetv1/src/util.py b/model_zoo/official/cv/maskrcnn_mobilenetv1/src/util.py
index 996c62fde51..2a59f6d8d14 100644
--- a/model_zoo/official/cv/maskrcnn_mobilenetv1/src/util.py
+++ b/model_zoo/official/cv/maskrcnn_mobilenetv1/src/util.py
@@ -14,12 +14,11 @@
 # ============================================================================
 """coco eval for maskrcnn_mobilenetv1"""
 import json
+import mmcv
 import numpy as np
 from pycocotools.coco import COCO
 from pycocotools.cocoeval import COCOeval
 from pycocotools import mask as maskUtils
-import mmcv
-
 from src.config import config
 
 _init_value = np.array(0.0)
diff --git a/model_zoo/official/nlp/tinybert/src/gd_config.py b/model_zoo/official/nlp/tinybert/src/gd_config.py
index a49630d6fe6..228b5a6b69d 100644
--- a/model_zoo/official/nlp/tinybert/src/gd_config.py
+++ b/model_zoo/official/nlp/tinybert/src/gd_config.py
@@ -15,8 +15,8 @@
 """
 network config setting, will be used in dataset.py, run_general_distill.py and run_task_distill.py
 """
-import mindspore.common.dtype as mstype
 from easydict import EasyDict as edict
+import mindspore.common.dtype as mstype
 from .tinybert_model import BertConfig
 
 common_cfg = edict({
diff --git a/model_zoo/official/nlp/tinybert/src/td_config.py b/model_zoo/official/nlp/tinybert/src/td_config.py
index 4dba7fe8be9..9c6dda69771 100644
--- a/model_zoo/official/nlp/tinybert/src/td_config.py
+++ b/model_zoo/official/nlp/tinybert/src/td_config.py
@@ -15,8 +15,8 @@
 
 """config script for task distill"""
 
-import mindspore.common.dtype as mstype
 from easydict import EasyDict as edict
+import mindspore.common.dtype as mstype
 from .tinybert_model import BertConfig
 
 phase1_cfg = edict({