remove unnecessary raise

[pengzhengyi]

Pull Request Description

_handle_http_error will definitely raise exception, I believe another raise is unnecessary.

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Future Release Comment

Remove raise in invocations of _handle_http_error.

Breaking Changes:

• None

Features:

• None

Fixes:

• None

[ghost]

All CLA requirements met.

[yogilad]

Thanks for this contribution. The point of the raise in these lines it to tell the IDE the function is not expected to continue after this line. The called API will handle actual raise itself.