Update app.py

app.py

@@ -269,7 +269,7 @@ def generate_dissertation_api():
                     logging.warning(f"Impossible de supprimer le fichier temporaire {temp_file_path}: {e}")
             
             # Utiliser le modèle multimodal
-            model_name = "models/gemini-2.5-flash"
+            model_name = "models/gemini-flash-latest"
 
         else:  # Type 1 et 2 (texte uniquement)
             context_str = ""
@@ -290,7 +290,7 @@ def generate_dissertation_api():
 
             final_prompt = prompt_template.format(phi_prompt=data_for_log['question'], context=context_str)
             contents = [final_prompt]
-            model_name = "models/gemini-2.5-flash"
+            model_name = "models/gemini-flash-latest"
         
         # --- Appel à l'IA ---
         config = types.GenerateContentConfig(