Originally Posted by Gene45
I downloaded tools_v5.4.1 and attempted to install it, and got the following message:
calibre, version 0.9.7
ERROR: Unhandled exception: <b>InvalidPlugin</b>:The plugin in tools_v5.4.1.zip' is invalid. It does not contain a top-level __init__.py file
That zip file is not a plugin. Extract and examine the files in this archive to find the actual plugins.