Issue #16714: use 'raise' exceptions, don't 'throw'.
Patch by Serhiy Storchaka.
diff --git a/Doc/library/contextlib.rst b/Doc/library/contextlib.rst
index ed9ebb8..41dfded 100644
--- a/Doc/library/contextlib.rst
+++ b/Doc/library/contextlib.rst
@@ -184,7 +184,7 @@
files = [stack.enter_context(open(fname)) for fname in filenames]
# All opened files will automatically be closed at the end of
# the with statement, even if attempts to open files later
- # in the list throw an exception
+ # in the list raise an exception
Each instance maintains a stack of registered callbacks that are called in
reverse order when the instance is closed (either explicitly or implicitly