ElectrumX takes no command line arguments, instead its behaviour is controlled by environment variables. Only a few are required to be given, the rest will have sensible defaults if not specified.
Root Cause Analysis Python 3.14 API Changes: Python 3.14 removed BaseDefaultEventLoopPolicy from asyncio.events uvloop 0.21.0: Latest uvloop version tries to import the removed class uvloop 0.20.x: ...