added some error handling, to prevent deleting of variable file

toargridding/setupFunctions.py

@@ -8,6 +8,7 @@ def updateTOARVariables():
     This overwrites the current static file 
     """
     response = requests.get("https://toar-data.fz-juelich.de/api/v2/variables/?limit=None")
+    response.raise_for_status()#check, for errors.
     varList = response.json()
     with open(TOAR_VARIABLES_METADATA_PATH, "w") as f:
         json.dump(varList, f, indent=2)
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