mpris: use helpers
@@ -234,7 +234,7 @@ class Py3status:
except Exception:
ptime = None
- if '{time}' in self.format and self._data.get('state') == PLAYING:
+ if self.py3.format_contains(self.format, 'time') and self._data.get('state') == PLAYING:
# Don't get trapped in aliasing errors!
update = time() + 0.5
else:
