Issue #16714: use 'raise' exceptions, don't 'throw'.
Patch by Serhiy Storchaka.
diff --git a/Lib/test/test_pty.py b/Lib/test/test_pty.py
index 623f23b..bec38c4 100644
--- a/Lib/test/test_pty.py
+++ b/Lib/test/test_pty.py
@@ -152,7 +152,7 @@
# platform-dependent amount of data is written to its fd. On
# Linux 2.6, it's 4000 bytes and the child won't block, but on OS
# X even the small writes in the child above will block it. Also
- # on Linux, the read() will throw an OSError (input/output error)
+ # on Linux, the read() will raise an OSError (input/output error)
# when it tries to read past the end of the buffer but the child's
# already exited, so catch and discard those exceptions. It's not
# worth checking for EIO.