thunderbolt: add missing newline from EOF

Author: timfeierabend

files/usr/share/cinnamon/cinnamon-settings/modules/cs_thunderbolt.py

@@ -390,4 +390,4 @@ def is_bolt_available(self):
             return BOLT_BUS_NAME in bus_names
         except Exception as e:
             print(e)
-        return False
+        return False