Depends on D17564
A Unix socket is used tofor communicateion between the parent (Rust) and child (pPython) processes. In future iterations, the socket stream will be
passed to a handler. The unixUnix socket is only checked (in ipc.py) if it's passed as an environment variable to the child process,. tTherefore, this change does
not breakaffect the current typesTypeScript cChronik tests.