Update app.py

app.py

@@ -12,7 +12,7 @@ def train_model():
 
 # Chargement du modèle (fine-tuné si dispo, sinon base)
 def load_model():
-    model_name = MODEL_DIR if os.path.exists(MODEL_DIR) else "mistralai/Mistral-7B-Instruct-v0.2"
+    model_name = MODEL_DIR if os.path.exists(MODEL_DIR) else "mistralai/Mistral-7B-Instruct-v0.3"
     tokenizer = AutoTokenizer.from_pretrained(model_name, trust_remote_code=True)
     model = AutoModelForCausalLM.from_pretrained(
         model_name,