bump to 2.7.3rc1
diff --git a/Lib/idlelib/idlever.py b/Lib/idlelib/idlever.py
index 3f8bcff..ea2844d 100644
--- a/Lib/idlelib/idlever.py
+++ b/Lib/idlelib/idlever.py
@@ -1 +1 @@
-IDLE_VERSION = "2.7.2"
+IDLE_VERSION = "2.7.3rc1"