Hello,

I'm trying to run spyder with python3 on Xubuntu 14.04.

I am on Python 3.4.3 and I have PyQt4 installed:

which python3
/usr/bin/python3
python3
Python 3.4.3 (default, Aug  5 2015, 16:15:39) 
[GCC 4.8.4] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import PyQt4
>>> 

I have PyQt4 4.10.4 from apt-get

apt-cache policy python3-pyqt4
python3-pyqt4:
  Installed: 4.10.4+dfsg-1ubuntu1
  Candidate: 4.10.4+dfsg-1ubuntu1

And I installed spyder with pip3

pip3 search spyder
spyder                    - Scientific PYthon Development EnviRonment
  INSTALLED: 2.3.5.2 (latest)

However trying to launch spyder gives me an error:

spyder3
Traceback (most recent call last):
  File "/usr/lib/python3.4/site-packages/spyderlib/qt/__init__.py", line 46, 
in <module>
    from PySide import __version__  # analysis:ignore
ImportError: No module named 'PySide'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.4/site-packages/spyderlib/requirements.py", line 40
, in check_qt
    from spyderlib import qt
  File "/usr/lib/python3.4/site-packages/spyderlib/qt/__init__.py", line 48, 
in <module>
    raise ImportError("Spyder requires PySide or PyQt to be installed")
ImportError: Spyder requires PySide or PyQt to be installed

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/bin/spyder3", line 3, in <module>
    start_app.main()
  File "/usr/lib/python3.4/site-packages/spyderlib/start_app.py", line 114, 
in main
    from spyderlib import spyder
  File "/usr/lib/python3.4/site-packages/spyderlib/spyder.py", line 77, in 
<module>
    requirements.check_qt()
  File "/usr/lib/python3.4/site-packages/spyderlib/requirements.py", line 50
, in check_qt
    % (qt_infos['pyqt']+qt_infos['pyside']))
  File "/usr/lib/python3.4/site-packages/spyderlib/requirements.py", line 25
, in show_warning
    raise RuntimeError(message)
RuntimeError: Please check Spyder installation requirements:
PyQt4 4.6+ (or PySide 1.2.0+) is required.

I'm starting to wonder if I have a problem with my python3 installation. 
I'd appreciate any troubleshooting suggestions!

Thanks for reading,

Tom

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