source /usr/local/lib/python3.5/dist-packages/powerline/bindings/tmux/powerline.conf
set-option -g default-terminal "screen-256color"
# remap prefix to Control + a
set -g prefix C-t
# bind 'C-a C-a' to type 'C-a'
bind C-q send-prefix
unbind C-b

setw -g mode-keys vi
unbind p
bind p paste-buffer
bind-key -T copy-mode-vi v send-keys -X begin-selection
bind-key -T copy-mode-vi y send-keys -X copy-selection
bind-key -T copy-mode-vi r send-keys -X rectangle-toggle