fix version inconsistency

neka-nat · neka-nat · commit ba9606bcfa78 · 2021-02-17T22:56:34.000+09:00
diff --git a/probreg/version.py b/probreg/version.py
@@ -1 +1 @@
-__version__ = '0.2.9'
+__version__ = '0.3.1'
