bash-3.1$ zenmap
Error in sys.excepthook:
Traceback (most recent call last):
  File "/usr/bin/zenmap", line 59, in excepthook
    import gtk
ImportError: No module named gtk

Original exception was:
Traceback (most recent call last):
  File "/usr/bin/zenmap", line 150, in <module>
    app.run()
  File "/tmp/package-nmap/usr/lib64/python2.5/site-packages/zenmapGUI/App.py", line 96, in run
    self.__run_gui()
  File "/tmp/package-nmap/usr/lib64/python2.5/site-packages/zenmapGUI/App.py", line 100, in __run_gui
    import gtk
ImportError: No module named gtk