Move .setupterm() output so that we don't try to call endwin() if it fails

Lib/test/test_curses.py

@@ -269,13 +269,12 @@ if __name__ == '__main__':
     curses.wrapper(main)
     unit_tests()
 else:
-    try:
     # testing setupterm() inside initscr/endwin
     # causes terminal breakage
     curses.setupterm(fd=sys.__stdout__.fileno())
+    try:
         stdscr = curses.initscr()
         main(stdscr)
     finally:
         curses.endwin()
-
     unit_tests()