Check for message before comparing

This commit is contained in:
Joscha 2016-05-26 02:42:11 +02:00
parent 96865ad560
commit 615d1bb4c5

View file

@ -102,7 +102,7 @@ class Messages():
oldest = None oldest = None
for mid in self._by_id: for mid in self._by_id:
if mid < oldest: if oldest is None or mid < oldest:
oldest = mid oldest = mid
return self.get(oldest) return self.get(oldest)
@ -115,7 +115,7 @@ class Messages():
youngest = None youngest = None
for mid in self._by_id: for mid in self._by_id:
if mid > youngest: if youngest is None or mid > youngest:
youngest = mid youngest = mid
return self.get(youngest) return self.get(youngest)