update package version

Jinyu Wang · Jinyu Wang · commit 18eb07611ee9 · 2021-08-26T06:46:56.000Z
diff --git a/maro/__misc__.py b/maro/__misc__.py
@@ -2,6 +2,6 @@
 # Licensed under the MIT license.
 
 
-__version__ = "0.2.3a3"
+__version__ = "0.2.3a4"
 
 __data_version__ = "0.2"
