Description:


Additional info:
* package version: ipython 3.0.0-1

ipython notebook won't run until python-jsonschema is installed. Should be listed as a dependency.

Steps to reproduce:

execute

$ ipython notebook

Output:
Traceback (most recent call last):
File "/usr/lib/python3.4/site-packages/IPython/nbformat/validator.py", line 10, in <module>
from jsonschema import ValidationError
ImportError: No module named 'jsonschema'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/usr/bin/ipython", line 5, in <module>
start_ipython()
File "/usr/lib/python3.4/site-packages/IPython/__init__.py", line 120, in start_ipython
return launch_new_instance(argv=argv, **kwargs)
File "/usr/lib/python3.4/site-packages/IPython/config/application.py", line 573, in launch_instance
app.initialize(argv)
File "<string>", line 2, in initialize
File "/usr/lib/python3.4/site-packages/IPython/config/application.py", line 75, in catch_config_error
return method(app, *args, **kwargs)
File "/usr/lib/python3.4/site-packages/IPython/terminal/ipapp.py", line 321, in initialize
super(TerminalIPythonApp, self).initialize(argv)
File "<string>", line 2, in initialize
File "/usr/lib/python3.4/site-packages/IPython/config/application.py", line 75, in catch_config_error
return method(app, *args, **kwargs)
File "/usr/lib/python3.4/site-packages/IPython/core/application.py", line 369, in initialize
self.parse_command_line(argv)
File "/usr/lib/python3.4/site-packages/IPython/terminal/ipapp.py", line 316, in parse_command_line
return super(TerminalIPythonApp, self).parse_command_line(argv)
File "<string>", line 2, in parse_command_line
File "/usr/lib/python3.4/site-packages/IPython/config/application.py", line 75, in catch_config_error
return method(app, *args, **kwargs)
File "/usr/lib/python3.4/site-packages/IPython/config/application.py", line 471, in parse_command_line
return self.initialize_subcommand(subc, subargv)
File "<string>", line 2, in initialize_subcommand
File "/usr/lib/python3.4/site-packages/IPython/config/application.py", line 75, in catch_config_error
return method(app, *args, **kwargs)
File "/usr/lib/python3.4/site-packages/IPython/config/application.py", line 402, in initialize_subcommand
subapp = import_item(subapp)
File "/usr/lib/python3.4/site-packages/IPython/utils/importstring.py", line 42, in import_item
module = __import__(package, fromlist=[obj])
File "/usr/lib/python3.4/site-packages/IPython/html/notebookapp.py", line 63, in <module>
from .services.contents.manager import ContentsManager
File "/usr/lib/python3.4/site-packages/IPython/html/services/contents/manager.py", line 16, in <module>
from IPython.nbformat import sign, validate, ValidationError
File "/usr/lib/python3.4/site-packages/IPython/nbformat/__init__.py", line 29, in <module>
from .validator import validate, ValidationError
File "/usr/lib/python3.4/site-packages/IPython/nbformat/validator.py", line 21, in <module>
raise ImportError(str(e) + verbose_msg)
ImportError: No module named 'jsonschema'

IPython notebook format depends on the jsonschema package:

https://pypi.python.org/pypi/jsonschema

Please install it first.