ioctl can raise OSError

Author: tomasr8

Lib/_pyrepl/unix_console.py

@@ -450,9 +450,11 @@ def getheightwidth(self):
             try:
                 return int(os.environ["LINES"]), int(os.environ["COLUMNS"])
             except (KeyError, TypeError, ValueError):
-                height, width = struct.unpack(
-                    "hhhh", ioctl(self.input_fd, TIOCGWINSZ, b"\000" * 8)
-                )[0:2]
+                try:
+                    size = ioctl(self.input_fd, TIOCGWINSZ, b"\000" * 8)
+                except OSError:
+                    return 25, 80
+                height, width = struct.unpack("hhhh", size)[0:2]
                 if not height:
                     return 25, 80
                 return height, width