Improve parameter checking

required_one_of=[] is neat.

Co-authored-by: Alexei Znamensky

plugins/modules/packaging/os/pacman_key.py

@@ -140,15 +140,6 @@ def __init__(self, module):
             fingerprint = self.sanitise_fingerprint(fingerprint)
         key_present = self.key_in_keyring(keyid, keyring)
 
-        if (
-            state == "present"
-            and data is None
-            and file is None
-            and url is None
-            and keyserver is None
-        ):
-            module.fail_json(msg="expected one of: data, file, url, keyserver. got none")
-
         if module.check_mode:
             if state == "present":
                 if (key_present and force_update) or not key_present:
@@ -331,6 +322,7 @@ def main():
         ),
         supports_check_mode=True,
         mutually_exclusive=(('data', 'file', 'url', 'keyserver'),),
+        required_one_of=[('data', 'file', 'url', 'keyserver'),],
     )
     PacmanKey(module)