Fix backward compat change - create custom required_together statement (#19642)

lib/ansible/modules/cloud/amazon/ec2_eip.py

@@ -365,10 +365,7 @@ def main():
 
     module = AnsibleModule(
         argument_spec=argument_spec,
-        supports_check_mode=True,
-        required_together=[
-            ('device_id', 'private_ip_address'),
-        ]
+        supports_check_mode=True
     )
 
     if not HAS_BOTO:
@@ -386,6 +383,10 @@ def main():
     reuse_existing_ip_allowed = module.params.get('reuse_existing_ip_allowed')
     release_on_disassociation = module.params.get('release_on_disassociation')
 
+    # Parameter checks
+    if private_ip_address is not None and device_id is None:
+        module.fail_json(msg="parameters are required together: ('device_id', 'private_ip_address')")
+
     if instance_id:
         warnings = ["instance_id is no longer used, please use device_id going forward"]
         is_instance = True