fix set_escdelay when the curses library does not support it

2020-11-07 11:25:04 -08:00
parent 4d1101daf9
commit 899eb6f879
1 changed files with 4 additions and 1 deletions
--- a/babi/screen.py
+++ b/babi/screen.py
@@ -589,7 +589,10 @@ class Screen:

 def _init_screen() -> 'curses._CursesWindow':
    # set the escape delay so curses does not pause waiting for sequences
-    if sys.version_info >= (3, 9):  # pragma: no cover
+    if (
+            sys.version_info >= (3, 9) and
+            hasattr(curses, 'set_escdelay')
+    ):  # pragma: no cover
        curses.set_escdelay(25)
    else:  # pragma: no cover
        os.environ.setdefault('ESCDELAY', '25')