Create README.md

README.md

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+## DDPO aesthetic predictor
+
+This reprository contains the weights of the aesthetic predictor that you can find in the repository: https://github.com/christophschuhmann/improved-aesthetic-predictor so that any use can load it easily using `huggingface_hub` library.
+
+```python
+import torch
+from huggingface_hub import hf_hub_download
+
+cached_path = hf_hub_download(
+  'trl-lib',
+  'aesthetic-model.pth'
+) 
+```