Update app.py

app.py

@@ -1,6 +1,9 @@
 from huggingface_hub import snapshot_download
 from pathlib import Path
-HF_TKN ='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' 
+import os
+
+export HUGGINGFACE_HUB_TOKEN=os.environ['API_TKN']
+ 
 mistral_models_path = Path.home().joinpath('mistral_models', '7B-Instruct-v0.3')
 mistral_models_path.mkdir(parents=True, exist_ok=True)