python3-tmuxp 1.3.5-2 (amd64 binary) in ubuntu cosmic

 tmux session manager allowing both JSON and YAML configuration
 formats. Available features:
  - allows both simple and very elaborate configs
  - can store and load multiple sessions
  - can custom startup scripts (such as installing project dependencies
    before loading tmux)
  - session freezing: snapshot your current tmux layout, pane paths,
    and window/session names, and dump the result as a tmuxp
    configuration
 .
 This is the Python 3 version