abort program execution on not enough space exception

edit_data_form.py

@@ -70,7 +70,12 @@ def main(*_args):
     else:
         member_struct = json.load(open('example.json', 'r'))
     app = FormApp(member_struct)
+    try:
         app.run()
+    except Exception as e:
+        print(e)
+        return 0
+
     new_data = {}
     new_data['stammdaten'] = dict(zip(app.sd2.keys(), map(lambda f: f.value, app.sd2.values())))
     new_data['finanzdaten'] = dict(zip(app.fin2.keys(), map(lambda f: f.value, app.fin2.values())))