From 3c442a6b1f881d03ff82da48525a2a372e2ab163 Mon Sep 17 00:00:00 2001
From: Alex Athorne <alex.athorne@seldon.io>
Date: Mon, 24 Apr 2023 09:47:50 +0100
Subject: [PATCH] Add warning message to plot_feature_outlier_image

---
 alibi_detect/utils/visualize.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/alibi_detect/utils/visualize.py b/alibi_detect/utils/visualize.py
index de9a4e1b5..8c72b64bd 100644
--- a/alibi_detect/utils/visualize.py
+++ b/alibi_detect/utils/visualize.py
@@ -79,6 +79,7 @@ def plot_feature_outlier_image(od_preds: Dict,
     instance_ids = instance_ids[:n_instances]
 
     if outliers_only and n_instances == 0:
+        warnings.warn('No outliers found!', UserWarning, stacklevel=3)
         return
 
     n_cols = 2