added returntype

changelogs/fragments/0.1.1.yml

@@ -0,0 +1,3 @@
+---
+minor_changes:
+  - Added an type hint to the update_doc function

src/ansible_module/update_doc.py

@@ -10,7 +10,7 @@ moduledir = pathlib.Path("plugins/modules")
 regex = re.compile("DOCUMENTATION *= *r?(?P<quote>\"{3}|'{3})(---)?.*?(?P=quote)", re.MULTILINE | re.DOTALL)
 
 
-def main():
+def main() -> None:
     try:
         modules = list(moduledir.iterdir())
     except: