apply isort

server/visualdl/graph.py

-import onnx
 import json
+
 from google.protobuf.json_format import MessageToJson
 
+import onnx
+
 
 def reorganize_inout(json_obj, key):
     """

server/visualdl/lib.py

 import pprint
+import random
 import re
 import urllib
-import random
 from tempfile import NamedTemporaryFile
 
 import numpy as np

server/visualdl/lib_test.py

-import lib
+import pprint
 import unittest
+
+import lib
 import storage
-import pprint
-from storage_mock import add_scalar, add_image
+from storage_mock import add_image, add_scalar
 
 
 class LibTest(unittest.TestCase):

server/visualdl/visual_dl.py

@@ -7,13 +7,12 @@ from optparse import OptionParser
 from flask import (Flask, Response, redirect, request, send_file,
                    send_from_directory)
 
+import graph
 import lib
 import storage
 import visualdl.mock.data as mock_data
 import visualdl.mock.tags as mock_tags
 from visualdl.log import logger
-import storage
-import graph
 
 app = Flask(__name__, static_url_path="")
 # set static expires in a short time to reduce browser's memory usage.

visualdl/python/test_storage.py

 import random
 import time
 import unittest
-from PIL import Image
 
 import numpy as np
+from PIL import Image
 
 import storage