[Bug #897935] Fix fd leak in pty.spawn(). Reported by James Henstridge; 2.3 bugfix candidate.

1 files changed, 2 insertions, 0 deletions

diff --git a/Lib/pty.py b/Lib/pty.py
index a70a865..cafbc9c 100644
--- a/Lib/pty.py
+++ b/Lib/pty.py
@@ -175,3 +175,5 @@ def spawn(argv, master_read=_read, stdin_read=_read):
     except (IOError, OSError):
         if restore:
             tty.tcsetattr(STDIN_FILENO, tty.TCSAFLUSH, mode)
+
+    os.close(master_fd)