Spyder 3.3.1-1.1 fails to start on Tumbleweed 20180820 due to incompatible
spyder-kernels version. Here is the traceback:

Traceback (most recent call last):
  File "/usr/bin/spyder", line 3, in <module>
    start.main()
  File "/usr/lib/python2.7/site-packages/spyder/app/start.py", line 178, in
main
    from spyder.app import mainwindow
  File "/usr/lib/python2.7/site-packages/spyder/app/mainwindow.py", line 51, in
<module>
    requirements.check_spyder_kernels()
  File "/usr/lib/python2.7/site-packages/spyder/requirements.py", line 66, in
check_spyder_kernels
    % actual_ver)
  File "/usr/lib/python2.7/site-packages/spyder/requirements.py", line 24, in
show_warning
    raise RuntimeError(message)
RuntimeError: Please check Spyder installation requirements:
spyder-kernels < 1.0 is required (found 1.1.0).