[mod_python] libapache2-mod-python error

Please help me:
I tried to install apache with mod_python in the Ubuntu. I have done it, 
but instructions in the manual, and wikipedia doesn't work ( I cannot 
run python from the url). Then I tried a lot of things. The last one 
were:
sudo aptitude install python
sudo aptitude install libapache2-mod-python
sudo gedit /etc/apache2/mods-available/mod_python.conf
  AddType application/x-httpd-python .py
  AddHandler mod_python .py
  PythonHandler mod_python.publisher
  PythonDebug On
cd /etc/apache2/mods-enabled
sudo ln -s ../mods-available/mod_python.conf mod_python.conf
sudo /etc/init.d/apache2 restart
But I had libapache2-mod-python error, and i have it whatever I try to 
install...

PLEASE HELP ME!!!
Tomasz Woźniak

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