Update utils.py

utils.py

@@ -265,7 +265,9 @@ def predict_prices(data, model=None, tokenizer=None, prediction_days=30):
         from chronos import BaseChronosPipeline
         pipeline = BaseChronosPipeline.from_pretrained("amazon/chronos-bolt-base", device_map="auto")
         with torch.no_grad():
-            forecast = pipeline.predict(context_tensor=torch.tensor(prices), prediction_length=prediction_days)
+            # FIX: Mengganti 'context_tensor' menjadi 'context'
+            forecast = pipeline.predict(context=torch.tensor(prices), prediction_length=prediction_days)
+        
         forecast_np = forecast.squeeze().cpu().numpy() if isinstance(forecast, torch.Tensor) else np.array(forecast)
         if forecast_np.ndim > 1:
             mean_forecast = forecast_np.mean(axis=tuple(range(forecast_np.ndim - 1)))
@@ -337,3 +339,4 @@ def create_technical_chart(data, indicators):
     fig.update_layout(title='Technical Indicators Overview', height=800, showlegend=False, hovermode='x unified')
     return fig
 
+