From 55828a4e6a02ea079d0d353dfc87852425d973a0 Mon Sep 17 00:00:00 2001
From: Ajda Pretnar <ajdapretnar@gmail.com>
Date: Mon, 4 May 2020 15:09:00 +0200
Subject: [PATCH] Prevent overscaling column annotations

---
 Orange/widgets/visualize/utils/heatmap.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Orange/widgets/visualize/utils/heatmap.py b/Orange/widgets/visualize/utils/heatmap.py
index c51b0210e1f..1559afbea43 100644
--- a/Orange/widgets/visualize/utils/heatmap.py
+++ b/Orange/widgets/visualize/utils/heatmap.py
@@ -512,7 +512,7 @@ def setHeatmaps(self, parts: 'Parts') -> None:
                 items=labels, parent=self,
                 alignment=Qt.AlignLeft | Qt.AlignVCenter,
                 orientation=Qt.Horizontal,
-                autoScale=True,
+                autoScale=len(labels) != 1,
                 sizePolicy=sp,
                 visible=self.__columnLabelPosition & Position.Top,
                 objectName="column-labels-top",