Bump version to 2.0b1.
diff --git a/Include/patchlevel.h b/Include/patchlevel.h
index 6413115..d2b26c9 100644
--- a/Include/patchlevel.h
+++ b/Include/patchlevel.h
@@ -49,17 +49,17 @@
/* Higher for patch releases */
/* Version parsed out into numeric values */
-#define PY_MAJOR_VERSION 1
-#define PY_MINOR_VERSION 6
+#define PY_MAJOR_VERSION 2
+#define PY_MINOR_VERSION 0
#define PY_MICRO_VERSION 0
-#define PY_RELEASE_LEVEL PY_RELEASE_LEVEL_ALPHA
-#define PY_RELEASE_SERIAL 2
+#define PY_RELEASE_LEVEL PY_RELEASE_LEVEL_BETA
+#define PY_RELEASE_SERIAL 1
/* Version as a string */
-#define PY_VERSION "1.6a2"
+#define PY_VERSION "2.0b1"
/* Historic */
-#define PATCHLEVEL "1.6a2"
+#define PATCHLEVEL "2.0b1"
/* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2.
Use this for numeric comparisons, e.g. #if PY_VERSION_HEX >= ... */