ImportError while trying to launch spyder3

[kamaraju kusumanchi]

I am getting the following error when I tried to launch spyder3

% spyder3
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/spyderlib/spyder.py", line 2346, in main
    mainwindow = run_spyder(app, options, args)
  File "/usr/lib/python3/dist-packages/spyderlib/spyder.py", line
2234, in run_spyder
    main.setup()
  File "/usr/lib/python3/dist-packages/spyderlib/spyder.py", line 773, in setup
    message=_("Spyder Internal Console\n\n"
  File "/usr/lib/python3/dist-packages/spyderlib/plugins/console.py",
line 74, in __init__
    self.find_widget.set_editor(self.shell)
  File "/usr/lib/python3/dist-packages/spyderlib/widgets/findreplace.py",
line 261, in set_editor
    from spyderlib.qt.QtWebKit import QWebView
  File "/usr/lib/python3/dist-packages/spyderlib/qt/QtWebKit.py", line
10, in <module>
    from PyQt4.QtWebKit import *  # analysis:ignore
ImportError: No module named 'PyQt4.QtWebKit'

% dpkg -l spyder3
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name                        Version            Architecture
Description
+++-===========================-==================-==================-===========================================================
ii  spyder3                     2.3.1+dfsg-1       all
Python IDE for scientists (Python 3)

% inxi -r
Repos:     Active apt sources in file: /etc/apt/sources.list
           deb http://httpredir.debian.org/debian/ stretch main contrib non-free
           deb-src http://httpredir.debian.org/debian/ stretch main
contrib non-free
           deb http://httpredir.debian.org/debian/ stretch-updates
main contrib non-free
           deb-src http://httpredir.debian.org/debian/ stretch-updates
main contrib non-free
           deb http://security.debian.org/ stretch/updates main contrib non-free
           deb-src http://security.debian.org/ stretch/updates main
contrib non-free

My machine is running a mixture of stable (Jessie) and testing
(Stretch). Any idea how to fix it?

thanks
raju
-- 
Kamaraju S Kusumanchi | http://raju.shoutwiki.com/wiki/Blog