backport: #20145: assertRaisesRegexp now raises a TypeError on bad regex.

Previously a non-string, non-regex second argument and no callable
argument could cause the test to appear to always pass.
diff --git a/Misc/ACKS b/Misc/ACKS
index 8875389..b7404ca 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -546,6 +546,7 @@
 Albert Hofkamp
 Tomas Hoger
 Jonathan Hogg
+Kamilla Holanda
 Steve Holden
 Akintayo Holder
 Thomas Holenstein