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Title: fix: add raise ... from e in all except handlers by kiankhooban · Pull Request #2777 · modelcontextprotocol/python-sdk · GitHub

Open Graph Title: fix: add raise ... from e in all except handlers by kiankhooban · Pull Request #2777 · modelcontextprotocol/python-sdk

X Title: fix: add raise ... from e in all except handlers by kiankhooban · Pull Request #2777 · modelcontextprotocol/python-sdk

Description: Follow-up to #2542. Adds from e to all remaining raise statements inside except ... as e: blocks that were missing exception chaining. This ensures the original traceback is preserved when exceptions are re-raised, making debugging significantly easier. Files changed (11 sites across 6 files): src/mcp/client/session.py (2) src/mcp/client/auth/utils.py (2) src/mcp/server/mcpserver/resources/types.py (4) src/mcp/server/mcpserver/resources/resource_manager.py (1) src/mcp/server/mcpserver/resources/templates.py (1) src/mcp/server/mcpserver/prompts/base.py (1)

Open Graph Description: Follow-up to #2542. Adds from e to all remaining raise statements inside except ... as e: blocks that were missing exception chaining. This ensures the original traceback is preserved when exceptio...

X Description: Follow-up to #2542. Adds from e to all remaining raise statements inside except ... as e: blocks that were missing exception chaining. This ensures the original traceback is preserved when exceptio...

Opengraph URL: https://github.com/modelcontextprotocol/python-sdk/pull/2777

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d7bacda fix: add `raise ... from e` in all except handlers kiankhooban Jun 3, 2026 https://github.com/modelcontextprotocol/python-sdk/pull/2777/commits/d7bacdad1173aaa7727136b576f6fa0c9a261383
d41b0be fixup: address Copilot review comments kiankhooban Jun 3, 2026 https://github.com/modelcontextprotocol/python-sdk/pull/2777/commits/d41b0bedac899f870c821746f8c93d3eb4e777fc
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