From b983afd6be0b8fc5ae8065a1b0745296645da593 Mon Sep 17 00:00:00 2001
From: Alexander Kabui
Date: Fri, 12 Nov 2021 12:47:37 +0300
Subject: bugfix:cases where trait symbol is none

---
 wqflask/wqflask/correlation/correlation_gn3_api.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'wqflask')

diff --git a/wqflask/wqflask/correlation/correlation_gn3_api.py b/wqflask/wqflask/correlation/correlation_gn3_api.py
index 1e3a40f2..20c0d99a 100644
--- a/wqflask/wqflask/correlation/correlation_gn3_api.py
+++ b/wqflask/wqflask/correlation/correlation_gn3_api.py
@@ -290,7 +290,7 @@ def get_tissue_correlation_input(this_trait, trait_symbol_dict):
     """Gets tissue expression values for the primary trait and target tissues values"""
     primary_trait_tissue_vals_dict = correlation_functions.get_trait_symbol_and_tissue_values(
         symbol_list=[this_trait.symbol])
-    if this_trait.symbol.lower() in primary_trait_tissue_vals_dict:
+    if this_trait.symbol  and this_trait.symbol.lower() in primary_trait_tissue_vals_dict:
         primary_trait_tissue_values = primary_trait_tissue_vals_dict[this_trait.symbol.lower(
         )]
         corr_result_tissue_vals_dict = correlation_functions.get_trait_symbol_and_tissue_values(
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