On my old computer, when I use Command-R to run a python script in Textmate 2, it opens an output window. If I run the script again, Textmate closes the previous terminal window and creates a new one. Now, I have installed Textmate on a new computer and the behavior is different: each time I use Command-R, a new window opens. Now I have dozens of windows to close. Is there anyway to restore the old behavior?