ai/OpenHands @ 5a4913224acd2ee90168aaba75b1c4b0535b40e7

Boxuan Li cf3372a5fe Fix arg parser help message display (#1247)		1 rok temu
..
test_action_serialization.py	caabfab7e2 Property 'message' sent to llm (#1198)	1 rok temu
test_arg_parser.py	cf3372a5fe Fix arg parser help message display (#1247)	1 rok temu
test_observation_serialization.py	effac868c1 Implement deserialization for actions and observations (#359)	1 rok temu