Version bump for 3.4.0b3.
diff --git a/Lib/idlelib/idlever.py b/Lib/idlelib/idlever.py
index fe9a481..641e002 100644
--- a/Lib/idlelib/idlever.py
+++ b/Lib/idlelib/idlever.py
@@ -1 +1 @@
-IDLE_VERSION = "3.4.0b2"
+IDLE_VERSION = "3.4.0b3"