refactor: use docarray import and sorting (#4394)

jina/helloworld/chatbot/app.py

@@ -3,17 +3,18 @@
 import webbrowser
 from pathlib import Path
 
+from docarray import DocumentArray
+
 from jina import Flow
 from jina.importer import ImportExtensions
 from jina.logging.predefined import default_logger
 from jina.logging.profile import ProgressBar
 from jina.parsers.helloworld import set_hw_chatbot_parser
-from jina import DocumentArray
 
 if __name__ == '__main__':
-    from my_executors import MyTransformer, MyIndexer
+    from my_executors import MyIndexer, MyTransformer
 else:
-    from .my_executors import MyTransformer, MyIndexer
+    from .my_executors import MyIndexer, MyTransformer
 
 
 def _get_flow(args):
@@ -38,7 +39,8 @@ def hello_world(args):
         help_text='this demo requires Pytorch and Transformers to be installed, '
         'if you haven\'t, please do `pip install jina[torch,transformers]`',
     ):
-        import transformers, torch
+        import torch
+        import transformers
 
         assert [torch, transformers]  #: prevent pycharm auto remove the above line
 

jina/helloworld/fashion/helper.py

@@ -6,8 +6,8 @@
 from collections import defaultdict
 
 import numpy as np
+from docarray import Document
 
-from jina import Document
 from jina.helper import colored
 from jina.logging.predefined import default_logger
 from jina.logging.profile import ProgressBar

jina/helloworld/multimodal/app.py

@@ -4,12 +4,13 @@
 import zipfile
 from pathlib import Path
 
+from docarray import DocumentArray
+
 from jina import Flow
 from jina.importer import ImportExtensions
 from jina.logging.predefined import default_logger
 from jina.logging.profile import ProgressBar
 from jina.parsers.helloworld import set_hw_multimodal_parser
-from jina import DocumentArray
 
 cur_dir = os.path.dirname(os.path.abspath(__file__))
 
@@ -27,7 +28,9 @@ def hello_world(args):
         help_text='this demo requires Pytorch and Transformers to be installed, '
         'if you haven\'t, please do `pip install jina[torch,transformers]`',
     ):
-        import transformers, torch, torchvision
+        import torch
+        import torchvision
+        import transformers
 
         assert [
             torch,