From 672c1f2d43961feb59d9549557cb10c4f0b19dcf Mon Sep 17 00:00:00 2001
From: Frederick Muriuki Muriithi
Date: Wed, 22 Dec 2021 09:13:32 +0300
Subject: Fix linting errors

---
 gn3/computations/correlations.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'gn3/computations')

diff --git a/gn3/computations/correlations.py b/gn3/computations/correlations.py
index d38946e..345b8d7 100644
--- a/gn3/computations/correlations.py
+++ b/gn3/computations/correlations.py
@@ -79,7 +79,7 @@ def compute_sample_r_correlation(trait_name, corr_method, trait_vals,
             zip(*list(normalize_values(trait_vals, target_samples_vals))))
         num_overlap = len(normalized_traits_vals)
     except ValueError:
-        return
+        return None
 
     if num_overlap > 5:
 
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