E: Couldn't find package pychm

What steps will reproduce the problem?
1. while installing through apt-get install <package>, i am getting this error
2. root@AmSi:/home/amaresh# apt-get install chmlib
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Package chmlib is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
E: Package chmlib has no installation candidate

3. root@AmSi:/home/amaresh# apt-get install pychm
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Couldn't find package pychm

4. apt-get install htmldoc
Reading package lists... Done
Building dependency tree       
Reading state information... Done
htmldoc is already the newest version.
The following packages were automatically installed and are no longer required:
  rwhod libdb4.5
Use 'apt-get autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 10 not upgraded.

What is the expected output? What do you see instead?
E: Couldn't find package <name>

What version of the product are you using? On what operating system?
Ubuntu 8.10 ,Linux

Please provide any additional information below.

Original issue reported on code.google.com by amareshchandradas2005 on 7 May 2009 at 7:49

shurain / chm2pdf

E: Couldn't find package pychm #21