From d415d0e0502c1255a9e7338bc7fb5b24742b0f01 Mon Sep 17 00:00:00 2001
From: jrudz <rudzinski@mpip-mainz.mpg.de>
Date: Mon, 26 Feb 2024 15:55:47 +0100
Subject: [PATCH] added check for when free_energies dict is None

---
 atomisticparsers/gromacs/parser.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/atomisticparsers/gromacs/parser.py b/atomisticparsers/gromacs/parser.py
index cb5a070c..8831ad9e 100644
--- a/atomisticparsers/gromacs/parser.py
+++ b/atomisticparsers/gromacs/parser.py
@@ -1475,7 +1475,7 @@ def parse_workflow(self):
             self.xvg_parser.mainfile = self.get_gromacs_file("xvg")
             free_energies = self.xvg_parser.get("results")
 
-            title = free_energies.get("title", "")
+            title = free_energies.get("title", "") if free_energies is not None else ""
             flag_FE = False
             if r"dH/d\xl\f{}" in title and r"\xD\f{}H" in title:
                 flag_FE = True