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async with ClientSession(
read, write, timedelta(seconds=60 * 5)
) as session:
await session.initialize()
I turned on debug log, and I can see in log, the timeout is 5.
[2025-04-10 21:45:10,055] [DEBUG] [httpcore.connection]: connect_tcp.started host='xxx' port=xxx local_address=None timeout=5.0 socket_options=None
And I debugged into AnyIO, the timeout outputted in log is connect timeout, but timeout for connect/read/write/pool are all 5.
Though
https://github.com/modelcontextprotocol/python-sdk/blob/main/src/mcp/shared/session.py#L247-L252
has the timeout logic, but I always get
[2025-04-10 22:12:21,674] [DEBUG] [httpcore.http11]: receive_response_headers.failed exception=ReadTimeout(TimeoutError())
this error, if it takes more than 5 seconds.
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