PEP 8 whitespace cleanup. (#20783)

* PEP 8 E271 whitespace cleanup.
* PEP 8 W293 whitespace cleanup.
* Fix whitespace issue from recent PR.

lib/ansible/modules/web_infrastructure/letsencrypt.py

@@ -775,7 +775,7 @@ def main():
         ),
         supports_check_mode = True,
     )
- 
+
     # AnsibleModule() changes the locale, so change it back to C because we rely on time.strptime() when parsing certificate dates.
     locale.setlocale(locale.LC_ALL, "C")