bump version to 2.7.10rc1
diff --git a/Lib/idlelib/idlever.py b/Lib/idlelib/idlever.py
index ba1b4d5..b80c479 100644
--- a/Lib/idlelib/idlever.py
+++ b/Lib/idlelib/idlever.py
@@ -1 +1 @@
-IDLE_VERSION = "2.7.9"
+IDLE_VERSION = "2.7.10rc1"