From 585208eca2764e33e70da05875c8e08ccbf91bf1 Mon Sep 17 00:00:00 2001
From: Frederick Muriuki Muriithi
Date: Fri, 2 Dec 2022 07:29:31 +0300
Subject: correlations: display "--" whenever "lit_corr" is None

* wqflask/wqflask/correlation/show_corr_results.py: Check for `None`
  and display "--" in its place.
---
 wqflask/wqflask/correlation/show_corr_results.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/wqflask/wqflask/correlation/show_corr_results.py b/wqflask/wqflask/correlation/show_corr_results.py
index 95952d33..8b1f557a 100644
--- a/wqflask/wqflask/correlation/show_corr_results.py
+++ b/wqflask/wqflask/correlation/show_corr_results.py
@@ -218,7 +218,9 @@ def populate_table(dataset_metadata, target_dataset, this_dataset, corr_results,
                 results_dict['tissue_pvalue'] = "--"
                 if this_dataset['type'] == "ProbeSet":
                     if 'lit_corr' in trait:
-                        results_dict['lit_corr'] = f"{float(trait['lit_corr']):.3f}"
+                        results_dict['lit_corr'] = (
+                            f"{float(trait['lit_corr']):.3f}"
+                            if trait["lit_corr"] else "--")
                     if 'tissue_corr' in trait:
                         results_dict['tissue_corr'] = f"{float(trait['tissue_corr']):.3f}"
                         results_dict['tissue_pvalue'] = f"{float(trait['tissue_p_val']):.3e}"
-- 
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