update version to v3.1.2

Neutree · Neutree · commit 49676cb7ed52 · 2022-08-28T00:14:17.000+08:00
diff --git a/COMTool/version.py b/COMTool/version.py
@@ -1,7 +1,7 @@
 
 major = 3
 minor = 1
-dev   = 0
+dev   = 2
 
 __version__ = "{}.{}.{}".format(major, minor, dev)
 
