bump version to 3.1a2
diff --git a/Lib/idlelib/idlever.py b/Lib/idlelib/idlever.py
index 2c41582..6191313 100644
--- a/Lib/idlelib/idlever.py
+++ b/Lib/idlelib/idlever.py
@@ -1 +1 @@
-IDLE_VERSION = "3.1a1"
+IDLE_VERSION = "3.1a2"