i got a problem when install ns 3:10 in ubuntu 10:10. messages that appear:
[1190/1487] cxx: src/tools/visualizer/model/visual-simulator-impl.cc -> build/debug/src/tools/visualizer/model/visual-simulator-impl_2.o
../src/tools/visualizer/model/visual-simulator-impl.cc:20: fatal error: Python.h: No such file or directory
compilation terminated.
Waf: Leaving directory `/home/ymansyali/Documents/ns-allinone-3.10/ns-3.10/build'
Build failed: -> task failed (err #1):
{task: cxx visual-simulator-impl.cc -> visual-simulator-impl_2.o}

how to fix this error??
please enlightenment
thanks