I would like to replace the last line of the run function
(i.e. http.server_forever()) with

    try:
        httpd.serve_forever()
    finally:
        httpd.server_close()

(use case: during testing I want to run different publishers one after the
other, on the same port, stopping them with CTRL-C; this is currently
impossible
since the port is busy if  httpd.server_close() is not called).

Is that fine?

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