Update src/aws_durable_execution_sdk_python/execution.py

Author: Astraea Quinn S

src/aws_durable_execution_sdk_python/execution.py

@@ -82,9 +82,7 @@ def get_input_payload(self) -> str | None:
             return None
         if not (execution_details := operations.execution_details):
             return None
-        if not (input_payload := execution_details.input_payload):
-            return None
-        return input_payload
+        return execution_details.input_payload
 
     def to_dict(self) -> MutableMapping[str, Any]:
         return {