apt-get da error for 'python-zlib' was not found

[Juan Carlos Garc�a Garc�a]

al intentar instalar cualquier cosa, por ejemplo: # apt-get install  ./python_1.5-3_i386.deb Reading Package Lists... Done Building Dependency Tree... Done E: Release 'python_1.5-3_i386.deb' for 'python-zlib' was not found     otro ejemplo:  apt-get install ./webmin_1.170-2_all.deb Reading Package Lists... Done Building Dependency Tree... Done E: Release 'webmin_1.170-2_all.debinstall' for 'python-zlib' was not found   y otro: # apt-get install ./python-zlib_1.5-3_i386.deb Reading Package Lists... Done Building Dependency Tree... Done E: Release 'python-zlib_1.5-3_i386.deb' for 'python-zlib' was not found   Gracias.