Minor clarity edit to contextlib per Guido's request.
diff --git a/Lib/contextlib.py b/Lib/contextlib.py
index 418a3b7..aa5335d 100644
--- a/Lib/contextlib.py
+++ b/Lib/contextlib.py
@@ -31,11 +31,11 @@
try:
self.gen.throw(type, value, traceback)
raise RuntimeError("generator didn't stop after throw()")
- except StopIteration:
+ except StopIteration, exc:
# Suppress the exception *unless* it's the same exception that
# was passed to throw(). This prevents a StopIteration
# raised inside the "with" statement from being suppressed
- return sys.exc_info()[1] is not value
+ return exc is not value
except:
# only re-raise if it's *not* the exception that was
# passed to throw(), because __exit__() must not raise