Remove getattr calls in async transport closing

Add aclose to the AsyncTransport protocol and call it directly instead of using getattr to check for its existence. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: LinkedIn Blog Writing

src/vws/async_query.py

@@ -64,9 +64,7 @@ def __init__(
 
  async def aclose(self) -> None:
  """Close the underlying transport if it supports closing."""
- close = getattr(self._transport, "aclose", None)
- if close is not None:
- await close()
+ await self._transport.aclose()
 
  async def __aenter__(self) -> Self:
  """Enter the async context manager."""

src/vws/async_vumark_service.py

@@ -50,9 +50,7 @@ def __init__(
 
  async def aclose(self) -> None:
  """Close the underlying transport if it supports closing."""
- close = getattr(self._transport, "aclose", None)
- if close is not None:
- await close()
+ await self._transport.aclose()
 
  async def __aenter__(self) -> Self:
  """Enter the async context manager."""

src/vws/async_vws.py

@@ -61,9 +61,7 @@ def __init__(
 
  async def aclose(self) -> None:
  """Close the underlying transport if it supports closing."""
- close = getattr(self._transport, "aclose", None)
- if close is not None:
- await close()
+ await self._transport.aclose()
 
  async def __aenter__(self) -> Self:
  """Enter the async context manager."""

src/vws/transports.py

@@ -167,6 +167,10 @@ class AsyncTransport(Protocol):
  and returns a ``Response``.
  """
 
+ async def aclose(self) -> None:
+ """Close the transport and release resources."""
+ ... # pylint: disable=unnecessary-ellipsis
+
  def __call__(
  self,
  *,