BUG: Update CTK to ensure python error a written to stderr

$ git shortlog f341589..42700cf --no-merges
Andras Lasso (1):
      BUG: Fixed issue of writing Python errors to stdout instead of stderr

git-svn-id: http://svn.slicer.org/Slicer4/trunk@23815 3bd1e089-480b-0410-8dfb-8563597acbee