From d4565884e1441fb364d7ce0dfa8a279f7deab5e7 Mon Sep 17 00:00:00 2001
From: Ansgar Wehrhahn <31626864+AWehrhahn@users.noreply.github.com>
Date: Thu, 18 Nov 2021 14:14:23 +0100
Subject: [PATCH] make atmo_grid_into optional

---
 src/pysme/atmosphere/savfile.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/pysme/atmosphere/savfile.py b/src/pysme/atmosphere/savfile.py
index 103837f6..04603ad1 100644
--- a/src/pysme/atmosphere/savfile.py
+++ b/src/pysme/atmosphere/savfile.py
@@ -39,8 +39,10 @@ def __new__(cls, filename, source=None, lfs=None):
             source = basename(filename)
         self.source = source
 
-        if "atmo_grid_intro" in data.keys():
+        try:
             self.info = b" ".join(data["atmo_grid_intro"]).decode()
+        except (KeyError, TypeError):
+            self.info = ""
 
         # TODO cover all cases
         if "marcs" in self.source: