This method has been superseded by the k-NN classifier. See the top-level README.
To run an estimate using the method from the original tweet:
curl "http://localhost:5052/lighthouse/block_rewards?start_slot=2151489&end_slot=2151694" > data.json
./client_diversity.py data.jsonLighthouse,0.22
Prysm,0.65
Teku,0.055
Teku or Nimbus,0.075
Adjust the start and end slots to a wider range for better accuracy, or to see historical trends.