Bump to 3.3.0a2.
diff --git a/Lib/idlelib/idlever.py b/Lib/idlelib/idlever.py
index 76b8bb8..a2fbd1f 100644
--- a/Lib/idlelib/idlever.py
+++ b/Lib/idlelib/idlever.py
@@ -1 +1 @@
-IDLE_VERSION = "3.3.0a1"
+IDLE_VERSION = "3.3.0a2"