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Hi,
I upgraded my machine today. Among the updates were pyqt and python2-pyqt. However, after this update, ipython2 qtconsole no longer starts. Downgrading just python2-pyqt fixes the problem. There must be something wrong with the way the new python2-pyqt package has been built.
[2013-03-07 10:17] starting full system upgrade
[2013-03-07 10:17] upgraded sip (4.14.3-1 -> 4.14.4-1)
[2013-03-07 10:17] upgraded python-sip (4.14.3-1 -> 4.14.4-1)
[2013-03-07 10:17] upgraded pyqt-common (4.9.6-2 -> 4.10-1)
[2013-03-07 10:17] upgraded pyqt (4.9.6-2 -> 4.10-1)
[2013-03-07 10:17] upgraded python2-sip (4.14.3-1 -> 4.14.4-1)
[2013-03-07 10:17] upgraded python2-pyqt (4.9.6-2 -> 4.10-1)
[2013-03-07 10:17] upgraded qscintilla (2.7-2 -> 2.7.1-1)
Traceback (most recent call last):
File "/usr/bin/ipython2", line 7, in <module>
launch_new_instance()
File "/usr/lib/python2.7/site-packages/IPython/frontend/terminal/ipapp.py", line 388, in launch_new_instance
app.initialize()
File "<string>", line 2, in initialize
File "/usr/lib/python2.7/site-packages/IPython/config/application.py", line 84, in catch_config_error
return method(app, *args, **kwargs)
File "/usr/lib/python2.7/site-packages/IPython/frontend/terminal/ipapp.py", line 313, in initialize
super(TerminalIPythonApp, self).initialize(argv)
File "<string>", line 2, in initialize
File "/usr/lib/python2.7/site-packages/IPython/config/application.py", line 84, in catch_config_error
return method(app, *args, **kwargs)
File "/usr/lib/python2.7/site-packages/IPython/core/application.py", line 325, in initialize
self.parse_command_line(argv)
File "/usr/lib/python2.7/site-packages/IPython/frontend/terminal/ipapp.py", line 308, in parse_command_line
return super(TerminalIPythonApp, self).parse_command_line(argv)
File "<string>", line 2, in parse_command_line
File "/usr/lib/python2.7/site-packages/IPython/config/application.py", line 84, in catch_config_error
return method(app, *args, **kwargs)
File "/usr/lib/python2.7/site-packages/IPython/config/application.py", line 420, in parse_command_line
return self.initialize_subcommand(subc, subargv)
File "<string>", line 2, in initialize_subcommand
File "/usr/lib/python2.7/site-packages/IPython/config/application.py", line 84, in catch_config_error
return method(app, *args, **kwargs)
File "/usr/lib/python2.7/site-packages/IPython/config/application.py", line 352, in initialize_subcommand
subapp = import_item(subapp)
File "/usr/lib/python2.7/site-packages/IPython/utils/importstring.py", line 40, in import_item
module = __import__(package,fromlist=[obj])
File "/usr/lib/python2.7/site-packages/IPython/frontend/qt/console/qtconsoleapp.py", line 56, in <module>
from IPython.external.qt import QtCore, QtGui
File "/usr/lib/python2.7/site-packages/IPython/external/qt.py", line 43, in <module>
raise ImportError('Cannot import PySide >= 1.0.3 or PyQt4 >= 4.7')
ImportError: Cannot import PySide >= 1.0.3 or PyQt4 >= 4.7I have:
qt4 4.8.4-13
Last edited by ayr0 (2013-03-07 23:11:24)
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I have the same issue, I'm going to see if installing pyside from the AUR is a temporary workaround.
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I think this issue is related to a bug in IPython, where the version check fails to recognise that 4.10 > 4.7. This fail because the version is compared as strings and not as numbers, hence '4.10'<'4.7'. It has been reported and fixed upstream. See here: https://github.com/ipython/ipython/pull/2831, and corresponding pull request: https://github.com/ipython/ipython/comm … ba0da2c293
EDIT: replacing both ipython and iptyhon2 with ipython-git does the trick for me.
Last edited by davidovitch (2013-03-08 09:59:50)
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I think this issue is related to a bug in IPython, where the version check fails to recognise that 4.10 > 4.7. This fail because the version is compared as strings and not as numbers, hence '4.10'<'4.7'. It has been reported and fixed upstream. See here: https://github.com/ipython/ipython/pull/2831, and corresponding pull request: https://github.com/ipython/ipython/comm … ba0da2c293
EDIT: replacing both ipython and iptyhon2 with ipython-git does the trick for me.
That solution worked for me.
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