message: * Added return types for methods
diff: @@ -10,7 +10,7 @@ async def create_wallet(pool_name: str,
  name: str,
  xtype: Optional[str],
  config: Optional[str],
  - credentials: Optional[str]):
  + credentials: Optional[str]) -> None:
  logger = logging.getLogger(__name__)
  logger.debug("create_wallet: >>> pool_name: %s, name: %s, xtype: %s, config: %s, credentials: %s",
  pool_name,
  @@ -42,7 +42,7 @@ async def create_wallet(pool_name: str,
  async def open_wallet(name: str,
  runtime_config: Optional[str],
  - credentials: Optional[str]):
  + credentials: Optional[str]) -> int:
  logger = logging.getLogger(__name__)
  logger.debug("open_wallet: >>> name: %s, runtime_config: %s, credentials: %s",
  name,
  @@ -67,7 +67,7 @@ async def open_wallet(name: str,
  return res
  -async def close_wallet(handle: int):
  +async def close_wallet(handle: int) -> None:
  logger = logging.getLogger(__name__)
  logger.debug("close_wallet: >>> handle: %i", handle)
  