From 3fd1d766fcf38f5a147c01b1c397469139c9080d Mon Sep 17 00:00:00 2001
From: zsloan
Date: Wed, 25 Aug 2021 17:39:02 +0000
Subject: Fix issue that could cause mapping_scale to not be set correctly in
 show_trait.py

---
 wqflask/wqflask/show_trait/show_trait.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wqflask/wqflask/show_trait/show_trait.py b/wqflask/wqflask/show_trait/show_trait.py
index 36e69fa3..80f5d117 100644
--- a/wqflask/wqflask/show_trait/show_trait.py
+++ b/wqflask/wqflask/show_trait/show_trait.py
@@ -300,7 +300,7 @@ class ShowTrait:
         hddn['compare_traits'] = []
         hddn['export_data'] = ""
         hddn['export_format'] = "excel"
-        if len(self.scales_in_geno) < 2:
+        if len(self.scales_in_geno) < 2 and bool(self.scales_in_geno):
             hddn['mapping_scale'] = self.scales_in_geno[list(
                 self.scales_in_geno.keys())[0]][0][0]
 
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