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fix: fix anyio same task cancellation scope

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This commit is contained in:
Abhishek Kumar 2026-05-29 16:17:09 +05:30
parent 3194ff1883
commit 97957db201
4 changed files with 31 additions and 13 deletions
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8
api/services/workflow/mcp_tool_session.py
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@ -79,8 +79,12 @@ class McpToolSession:
self.available: bool = False
async def start(self) -> None:
"""Connect, initialize, and cache the tool list. Never raises —
on any failure the session is marked unavailable."""
"""Connect, initialize, and cache the tool list.
Never raises on a connect failure — a dead/unreachable MCP server
leaves the session marked unavailable (``available = False``). Genuine
external cancellation, KeyboardInterrupt, and SystemExit are re-raised
(see the CancelledError handling below and ``_degrade``)."""
try:
params = build_streamable_http_params(
url=self._url,