Jupyter笔记本：龙卷风指向错误路径

Question

我在试着运行一个Jupyter笔记本。我在python3.7版本中安装了anaconda5.3。笔记本启动了，但是内核无法运行，因为它指向了我为一些ROS项目安装的Tornado的另一个版本（输出如下）。如何确保Jupyter内核使用安装在Python路径中的Tornado？在

[I 10:56:54.649 NotebookApp] KernelRestarter: restarting kernel (4/5), new random ports
Traceback (most recent call last):
  File "/dir/anaconda3/lib/python3.7/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/dir/anaconda3/lib/python3.7/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/dir/anaconda3/lib/python3.7/site-packages/ipykernel_launcher.py", line 16, in <module>
    app.launch_new_instance()
  File "/dir/anaconda3/lib/python3.7/site-packages/traitlets/config/application.py", line 657, in launch_instance
    app.initialize(argv)
  File "<decorator-gen-123>", line 2, in initialize
  File "/dir/anaconda3/lib/python3.7/site-packages/traitlets/config/application.py", line 87, in catch_config_error
    return method(app, *args, **kwargs)
  File "/dir/anaconda3/lib/python3.7/site-packages/ipykernel/kernelapp.py", line 467, in initialize
    self.init_sockets()
  File "/dir/anaconda3/lib/python3.7/site-packages/ipykernel/kernelapp.py", line 260, in init_sockets
    self.init_iopub(context)
  File "/dir/anaconda3/lib/python3.7/site-packages/ipykernel/kernelapp.py", line 268, in init_iopub
    self.iopub_thread = IOPubThread(self.iopub_socket, pipe=True)
  File "/dir/anaconda3/lib/python3.7/site-packages/ipykernel/iostream.py", line 66, in __init__
    self.io_loop = IOLoop(make_current=False)
  File "/dir/ros_projects/forked/rosbridge_suite/rosbridge_server/src/tornado/util.py", line 208, in __new__
    instance.initialize(**args)
  File "/dir/ros_projects/forked/rosbridge_suite/rosbridge_server/src/tornado/platform/epoll.py", line 26, in initialize
    super(EPollIOLoop, self).initialize(impl=select.epoll(), **kwargs)
TypeError: initialize() got an unexpected keyword argument 'make_current'
[W 10:56:57.665 NotebookApp] KernelRestarter: restart failed
[W 10:56:57.666 NotebookApp] Kernel 2dd183ff-850d-4f79-945c-c8f56f1e695e died, removing from map.

Answer 1

有点晚了，但回答我自己的问题。PYTHONPATH是为一系列其他项目而设计的。因为康达没有设置PYTHONPATH，正在运行

unset PYTHONPATH

成功了。在