It's a package not a module.

Author: leoweyr

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "unexpectation-handler"
-version = "1.0.1"
+version = "1.0.2"
 description = "Never trust users! Encapsulate \"isolating program vulnerabilities (errors, exceptions, or results due to unexpected input) that may be caused by executed code\" and \"calling function that handle them\" as a package of Python."
 license = "MIT"
 authors = ["leoweyr <leoweyr@foxmail.com>"]