#107 Ipython Notebook crash

[Rafael]

After a fresh installation, I get this error. What can I do?

C:\Python\WinPython-32bit-2.7.6.3\python-2.7.6>ipython notebook
Traceback (most recent call last):
File "C:\Python\WinPython-32bit-2.7.6.3\python-2.7.6\Scripts\ipython-script.py
", line 9, in <module>
load_entry_point('ipython==1.1.0', 'console_scripts', 'ipython')()
File "C:\Python\WinPython-32bit-2.7.6.3\python-2.7.6\lib\site-packages\IPython
__init.py", line 118, in start_ipython
return launch_new_instance(argv=argv, kwargs)
File "C:\Python\WinPython-32bit-2.7.6.3\python-2.7.6\lib\site-packages\IPython
\config\application.py", line 544, in launch_instance
app.initialize(argv)
File "<string>", line 2, in initialize
File "C:\Python\WinPython-32bit-2.7.6.3\python-2.7.6\lib\site-packages\IPython
\config\application.py", line 89, in catch_config_error
return method(app, args, kwargs)
File "C:\Python\WinPython-32bit-2.7.6.3\python-2.7.6\lib\site-packages\IPython
\terminal\ipapp.py", line 312, in initialize
super(TerminalIPythonApp, self).initialize(argv)
File "<string>", line 2, in initialize
File "C:\Python\WinPython-32bit-2.7.6.3\python-2.7.6\lib\site-packages\IPython
\config\application.py", line 89, in catch_config_error
return method(app, args, kwargs)
File "C:\Python\WinPython-32bit-2.7.6.3\python-2.7.6\lib\site-packages\IPython
\core\application.py", line 362, in initialize
self.parse_command_line(argv)
File "C:\Python\WinPython-32bit-2.7.6.3\python-2.7.6\lib\site-packages\IPython
\terminal\ipapp.py", line 307, in parse_command_line
return super(TerminalIPythonApp, self).parse_command_line(argv)
File "<string>", line 2, in parse_command_line
File "C:\Python\WinPython-32bit-2.7.6.3\python-2.7.6\lib\site-packages\IPython
\config\application.py", line 89, in catch_config_error
return method(app, args, kwargs)
File "C:\Python\WinPython-32bit-2.7.6.3\python-2.7.6\lib\site-packages\IPython
\config\application.py", line 474, in parse_command_line
return self.initialize_subcommand(subc, subargv)
File "<string>", line 2, in initialize_subcommand
File "C:\Python\WinPython-32bit-2.7.6.3\python-2.7.6\lib\site-packages\IPython
\config\application.py", line 89, in catch_config_error
return method(app, args, **kwargs)
File "C:\Python\WinPython-32bit-2.7.6.3\python-2.7.6\lib\site-packages\IPython
\config\application.py", line 405, in initialize_subcommand
subapp = import_item(subapp)
File "C:\Python\WinPython-32bit-2.7.6.3\python-2.7.6\lib\site-packages\IPython
\utils\importstring.py", line 42, in import_item
module = import__(package, fromlist=[obj])
File "C:\Python\WinPython-32bit-2.7.6.3\python-2.7.6\lib\site-packages\IPython
\html\notebookapp.py", line 58, in <module>
from tornado import httpserver
File "C:\Python\WinPython-32bit-2.7.6.3\python-2.7.6\lib\site-packages\tornado
\httpserver.py", line 36, in <module>
from tornado import iostream
File "C:\Python\WinPython-32bit-2.7.6.3\python-2.7.6\lib\site-packages\tornado
\iostream.py", line 40, in <module>
from tornado.netutil import ssl_wrap_socket, ssl_match_hostname, SSLCertific
ateError
File "C:\Python\WinPython-32bit-2.7.6.3\python-2.7.6\lib\site-packages\tornado
\netutil.py", line 36, in <module>
import backports.ssl_match_hostname
ImportError: No module named backports.ssl_match_hostname

C:\Python\WinPython-32bit-2.7.6.3\python-2.7.6>

[Chris]

Also getting a similar error.

[WANG Aiyong]

just pip install backports.ssl-match-hostname

[Pierre Raybaut]

fixed with v2.7.6.4 and v3.3.5.0.