From 3268459ec152a2b065bcf8424b3518bc2f36d70a Mon Sep 17 00:00:00 2001
From: Satwik Kambham <satwik.kambham@gmail.com>
Date: Mon, 31 Oct 2022 20:13:51 +0530
Subject: [PATCH] Normalizing dataframe after merging

---
 tardis/model/base.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tardis/model/base.py b/tardis/model/base.py
index fca53c3468f..4349e98c809 100644
--- a/tardis/model/base.py
+++ b/tardis/model/base.py
@@ -262,6 +262,8 @@ def __init__(
         isotope_mass_fraction = self.raw_isotope_abundance.decay(13).add(
             raw_abundance, fill_value=0
         )
+        norm_factor = isotope_mass_fraction.sum(axis=0)
+        isotope_mass_fraction /= norm_factor
 
         atomic_mass = None
         if elemental_mass is not None: