Python 3 is required https://www.python.org/downloads/
pip install python-bitcoinrpc
{
"t1eVqdfpJQynSzPGNCqSmUkeA1H5WCJYyir": 25621,
"address": 0
}
payment_file = "flux-payment-example.json"
address_sending_from = "from_address"
./sendflux.py
or
python3 sendflux.py