Ipython Kernel Restart

1
votes

Well , I had this problem of Restarting kernel periodically so tried to upgrade ipython and successfully upgraded . But then now I am trying to open ipython notebook

ipython notebook --pylab inline

So I am getting Following Error

Traceback (most recent call last): File "/usr/local/bin/ipython", line 9, in load_entry_point('ipython==2.2.0', 'console_scripts', 'ipython')() File "/usr/local/lib/python2.7/dist-packages/ipython-2.2.0-py2.7.egg/IPython/init.py", line 120, in start_ipython return launch_new_instance(argv=argv, **kwargs) File "/usr/local/lib/python2.7/dist-packages/ipython-2.2.0-py2.7.egg/IPython/config/application.py", line 563, in launch_instance app.initialize(argv) File "", line 2, in initialize File "/usr/local/lib/python2.7/dist-packages/ipython-2.2.0-py2.7.egg/IPython/config/application.py", line 92, in catch_config_error return method(app, *args, **kwargs) File "/usr/local/lib/python2.7/dist-packages/ipython-2.2.0-py2.7.egg/IPython/terminal/ipapp.py", line 321, in initialize super(TerminalIPythonApp, self).initialize(argv) File "", line 2, in initialize File "/usr/local/lib/python2.7/dist-packages/ipython-2.2.0-py2.7.egg/IPython/config/application.py", line 92, in catch_config_error return method(app, *args, **kwargs) File "/usr/local/lib/python2.7/dist-packages/ipython-2.2.0-py2.7.egg/IPython/core/application.py", line 381, in initialize self.parse_command_line(argv) File "/usr/local/lib/python2.7/dist-packages/ipython-2.2.0-py2.7.egg/IPython/terminal/ipapp.py", line 316, in parse_command_line return super(TerminalIPythonApp, self).parse_command_line(argv) File "", line 2, in parse_command_line File "/usr/local/lib/python2.7/dist-packages/ipython-2.2.0-py2.7.egg/IPython/config/application.py", line 92, in catch_config_error return method(app, *args, **kwargs) File "/usr/local/lib/python2.7/dist-packages/ipython-2.2.0-py2.7.egg/IPython/config/application.py", line 475, in parse_command_line return self.initialize_subcommand(subc, subargv) File "", line 2, in initialize_subcommand File "/usr/local/lib/python2.7/dist-packages/ipython-2.2.0-py2.7.egg/IPython/config/application.py", line 92, in catch_config_error return method(app, *args, **kwargs) File "/usr/local/lib/python2.7/dist-packages/ipython-2.2.0-py2.7.egg/IPython/config/application.py", line 406, in initialize_subcommand subapp = import_item(subapp) File "/usr/local/lib/python2.7/dist-packages/ipython-2.2.0-py2.7.egg/IPython/utils/importstring.py", line 42, in import_item module = import(package, fromlist=[obj]) File "/usr/local/lib/python2.7/dist-packages/ipython-2.2.0-py2.7.egg/IPython/html/notebookapp.py", line 60, in raise ImportError(msg + ", but you have %s" % tornado.version) ImportError: The IPython Notebook requires tornado >= 3.1.0, but you have 2.3

So I tried To install tornado ,

sudo pip install tornado

Its giving me following message

Requirement already satisfied (use --upgrade to upgrade): tornado in /usr/lib/python2.7/dist-packages Cleaning up...

What I understood is my python version isn't satisfying the requirements or I have two versions of python.. How to end everything to Latest version ? The following is my OS details

Linux mint 12.10, Quantal Quetzal

2
python-2.7ipythonipython-notebook

2 Answers

0
votes

To upgrade a python package with pip you have to pass the --upgrade flag. If you don't supply the flag then it will check whether your package is installed and, if it is, not do anything.

To upgrade Tornado you'd do

sudo pip install Tornado --upgrade

You can also try installing IPython with

pip install ipython[all]

which will install all dependencies, as opposed to just pip install ipython

0
votes

I think maybe you install tornado with apt-get install, so you would get a older version, so you can update your tornado by type:

sudo pip install tornado --upgrade

And for iPython is update to jupyter, so you can type 

sudo pip install jupyter

to enjoy the latest version.