Traceback (most recent call last):


 "chat.py", line 1, in <module>

from chat import server


 "/home/medical/Users/Wangyue/chat/chat/server.py", line 12, in <module>

from .graph import Database


 "/home/medical/Users/Wangyue/chat/chat/graph.py", line 9, in <module>

from py2neo import Graph, Node, Relationship, NodeSelector
ImportError: cannot import name 'NodeSelector'

Traceback (most recent call last):


 "C:\Users\nagar\anaconda3\lib\site-packages\IPython\core\interactiveshell.py", line 3331, in run_code

exec(code_obj, self.user_global_ns, self.user_ns)


 "<ipython-input-2-ad3603cda5c0>", line 1, in <module>

import tensorflow as tf


 "C:\Users\nagar\anaconda3\lib\site-packages\tensorflow\__init__.py", line 101, in <module>

from tensorflow_core import *


 "C:\Users\nagar\anaconda3\lib\site-packages\tensorflow_core\__init__.py", line 40, in <module>

from tensorflow.python.tools import module_util as _module_util


 "C:\Users\nagar\anaconda3\lib\site-packages\tensorflow\__init__.py", line 50, in __getattr__

module = self._load()


 "C:\Users\nagar\anaconda3\lib\site-packages\tensorflow\__init__.py", line 44, in _load

module = _importlib.import_module(self.__name__)


 "C:\Users\nagar\anaconda3\lib\importlib\__init__.py", line 127, in import_module

return _bootstrap._gcd_import(name[level:], package, level)


 "C:\Users\nagar\anaconda3\lib\site-packages\tensorflow_core\python\__init__.py", line 49, in <module>

from tensorflow.python import pywrap_tensorflow


 "C:\Users\nagar\anaconda3\lib\site-packages\tensorflow_core\python\pywrap_tensorflow.py", line 74, in <module>

raise ImportError(msg)
ImportError: Traceback (most recent call last):
