[I 01:07:02.193 NotebookApp] KernelRestarter: restarting kernel (4/5)
Traceback (most recent call last):
  File "/usr/lib/python3.5/runpy.py", line 174, in _run_module_as_main
    mod_name, mod_spec, code = _get_module_details(mod_name, _Error)
  File "/usr/lib/python3.5/runpy.py", line 133, in _get_module_details
    return _get_module_details(pkg_main_name, error)
  File "/usr/lib/python3.5/runpy.py", line 109, in _get_module_details
    __import__(pkg_name)
  File "/usr/local/lib/python3.5/dist-packages/ipykernel/__init__.py", line 2, in <module>
    from .connect import *
  File "/usr/local/lib/python3.5/dist-packages/ipykernel/connect.py", line 10, in <module>
    from subprocess import Popen, PIPE
  File "/usr/lib/python3.5/subprocess.py", line 441, in <module>
    import threading
  File "/usr/lib/python3.5/threading.py", line 7, in <module>
    from traceback import format_exc as _format_exc
  File "/usr/lib/python3.5/traceback.py", line 5, in <module>
    import linecache
  File "/usr/lib/python3.5/linecache.py", line 11, in <module>
    import tokenize
  File "/data/corpus/tokenize.py", line 12, in <module>
    import jieba
  File "/usr/local/lib/python3.5/dist-packages/jieba/__init__.py", line 9, in <module>
    import logging
  File "/usr/lib/python3.5/logging/__init__.py", line 206, in <module>
    _lock = threading.RLock()
AttributeError: module 'threading' has no attribute 'RLock'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.5/runpy.py", line 174, in _run_module_as_main
    mod_name, mod_spec, code = _get_module_details(mod_name, _Error)
  File "/usr/lib/python3.5/runpy.py", line 133, in _get_module_details
    return _get_module_details(pkg_main_name, error)
  File "/usr/lib/python3.5/runpy.py", line 109, in _get_module_details
    __import__(pkg_name)
  File "/usr/local/lib/python3.5/dist-packages/ipykernel/__init__.py", line 2, in <module>
    from .connect import *
  File "/usr/local/lib/python3.5/dist-packages/ipykernel/connect.py", line 13, in <module>
    from IPython.core.profiledir import ProfileDir
  File "/usr/local/lib/python3.5/dist-packages/IPython/__init__.py", line 48, in <module>
    from .core.application import Application
  File "/usr/local/lib/python3.5/dist-packages/IPython/core/application.py", line 25, in <module>
    from IPython.core import release, crashhandler
  File "/usr/local/lib/python3.5/dist-packages/IPython/core/crashhandler.py", line 28, in <module>
    from IPython.core import ultratb
  File "/usr/local/lib/python3.5/dist-packages/IPython/core/ultratb.py", line 111, in <module>
    generate_tokens = tokenize.tokenize
AttributeError: module 'tokenize' has no attribute 'tokenize'