From ab3b838b99b58693f3f187093e78f492e7cf392b Mon Sep 17 00:00:00 2001
From: zsloan
Date: Wed, 18 Aug 2021 00:13:55 +0000
Subject: Exclude attributes with only one distinct value as well

---
 wqflask/wqflask/templates/show_trait_transform_and_filter.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wqflask/wqflask/templates/show_trait_transform_and_filter.html b/wqflask/wqflask/templates/show_trait_transform_and_filter.html
index 064fd3e5..8d21b0b0 100644
--- a/wqflask/wqflask/templates/show_trait_transform_and_filter.html
+++ b/wqflask/wqflask/templates/show_trait_transform_and_filter.html
@@ -25,7 +25,7 @@
         <label for="exclude_column">Block samples by group:</label>
         <select id="exclude_column" size=1>
           {% for attribute in sample_groups[0].attributes %}
-          {% if sample_groups[0].attributes[attribute].distinct_values|length <= 10 %}
+          {% if sample_groups[0].attributes[attribute].distinct_values|length <= 10 and sample_groups[0].attributes[attribute].distinct_values|length > 1 %}
           <option value="{{ loop.index }}">
               {{ sample_groups[0].attributes[attribute].name }}
           </option>
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