[API] Fix uncatched error in training

Author: guillesanz21

api/anomaly_detection/predictions/tasks.py

@@ -39,6 +39,8 @@ def refresh_prediction_task(metric_id, refresh_progress=True):
             metric.save(update_fields=['predictor'])
 
     results = metric.predictor.predict(dates=[metric.date,])
+    if not results:
+        return
     try:
         if result := results[0]:
             metric.predicted_value = result['yhat']

api/requirements.txt

@@ -20,4 +20,5 @@ geopandas>=1.0.1,<1.1
 prophet>=1.1.6,<1.2
 celery>=5.5.2,<5.6
 flower>=2.0.1,<2.1
-tqdm>=4.67.1,<4.68
+tqdm>=4.67.1,<4.68
+ipython>=9.3.0,<9.4.0