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Require protocol_version to be a string (#2763)

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Max 2026-06-02 17:27:41 +01:00 • committed by GitHub
commit c91f406938
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src/mcp/client/streamable_http.py
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@ -120,7 +120,7 @@ class StreamableHTTPTransport:
try:
# Parse the result as InitializeResult for type safety
init_result = InitializeResult.model_validate(message.result, by_name=False)
self.protocol_version = str(init_result.protocol_version)
self.protocol_version = init_result.protocol_version
logger.info(f"Negotiated protocol version: {self.protocol_version}")
except Exception: # pragma: no cover
logger.warning("Failed to parse initialization response as InitializeResult", exc_info=True)