# Add this to your zshrc or bzshrc file
_not_inside_tmux() { [[ -z "$TMUX" ]] }

ensure_tmux_is_running() {
  if _not_inside_tmux; then
    # tat
  fi
}

ensure_tmux_is_running

# Add this to your zshrc or bzshrc file
_not_inside_tmux() { [[ -z "$TMUX" ]] }

ensure_tmux_is_running() {
  if _not_inside_tmux; then
    tat
  fi
}

ensure_tmux_is_running

--- 
+++ 
@@ -3,7 +3,7 @@
 
 ensure_tmux_is_running() {
   if _not_inside_tmux; then
-    # tat
+    tat
   fi
 }
 
Remove tat as freezing iterm
