short circuit _getState when queue is empty (#302)

2017-06-14 09:45:59 -04:00
parent 7f550becc6
commit b12224d8a6
1 changed files with 2 additions and 0 deletions
@@ -332,6 +332,8 @@ class Executor(object):
        return self._getState(policy, order, fudge)

    def _getState(self, policy='random', order='max', fudge=1):
+        if not self._states.items():
+            return None
        assert order in ['max','min']
        assert abs(fudge)>0
        assert policy in ['random','adhoc','uncovered','dicount','icount','syscount','depth','bucket']