From 2114bee11bd33b1c29501ddeac52f34646dd8a15 Mon Sep 17 00:00:00 2001
From: Maxim Gonchar <maxim.mg.gonchar@gmail.com>
Date: Wed, 26 Apr 2023 16:04:09 +0300
Subject: [PATCH] chore: fix view/copy usage

---
 model_tools/parameters_storage.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/model_tools/parameters_storage.py b/model_tools/parameters_storage.py
index 8887d94..20aee2a 100644
--- a/model_tools/parameters_storage.py
+++ b/model_tools/parameters_storage.py
@@ -23,7 +23,7 @@ class ParametersStorage(NestedMKDict):
 
         df.insert(4, 'sigma_rel_perc', df['sigma'])
         df['sigma_rel_perc'] = df['sigma']/df['central']*100.
-        df['sigma_rel_perc'][df['central']==0] = nan
+        df['sigma_rel_perc'].mask(df['central']==0, nan, inplace=True)
 
         for key in ('central', 'sigma', 'sigma_rel_perc'):
             if df[key].isna().all():
-- 
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