[I 15:32:22.298 NotebookApp] Serving notebooks from local directory: [I 15:32:22.298 NotebookApp] 0 active kernels [I 15:32:22.298 NotebookApp] The Jupyter Notebook is running at: [I 15:32:22.298 NotebookApp] http://localhost:8888/?token= [I 15:32:22.298 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation). Traceback (most recent call last): File "/usr/bin/jupyter-notebook", line 11, in load_entry_point('notebook==5.3.0', 'console_scripts', 'jupyter-notebook')() File "/usr/lib/python3.7/site-packages/jupyter_core/application.py", line 266, in launch_instance return super(JupyterApp, cls).launch_instance(argv=argv, **kwargs) File "/usr/lib/python3.7/site-packages/traitlets/config/application.py", line 658, in launch_instance app.start() File "/usr/lib/python3.7/site-packages/notebook/notebookapp.py", line 1597, in start browser = webbrowser.get(self.browser or None) File "/usr/lib/python3.7/webbrowser.py", line 42, in get register_standard_browsers() File "/usr/lib/python3.7/webbrowser.py", line 567, in register_standard_browsers cmd = _synthesize(cmdline, -1) File "/usr/lib/python3.7/webbrowser.py", line 116, in _synthesize register(browser, None, controller, update_tryorder) TypeError: register() takes from 2 to 3 positional arguments but 4 were given