Update README with color formatted Python code block

README.md

@@ -80,7 +80,8 @@ This will produce `sample.wav` in the `Zonos` directory.
 
 ## Getting started with Zonos in python
 Once you have Zonos installed try generating audio programmatically in python
-```python3
+
+```python
 import torch
 import torchaudio
 from zonos.model import Zonos
@@ -106,4 +107,4 @@ codes = model.generate(conditioning)
 
 wavs = model.autoencoder.decode(codes).cpu()
 torchaudio.save("sample.wav", wavs[0], model.autoencoder.sampling_rate)
-```
+```