Unable to connect postgres database using async psycopg3 : import asyncio import psycopg async def main(): async with await psycopg.AsyncConnection.connect('postgresql://xxxxxxxxxxx') as con: async with con.cursor() as cur: print(await cur.execute('select 1 a').fetchall()) if __name__ == '__main__': asyncio.run(main()) I get error: psycopg.InterfaceError: Psycopg cannot use the 'ProactorEventLoop' to run in async mode. Please use a compatible event loop, for instance by setting 'asyncio.set_event_loop_policy(WindowsSelectorEventLoopPolicy())' On Windows 10, Python 3.9, Psycopg 3.0.8 Continue reading...