Incorporate comment - simplify if statement

margaret · margaret · commit b3eb0eaef612 · 2016-10-16T14:54:01.000+02:00
diff --git a/axelrod/strategies/prober.py b/axelrod/strategies/prober.py
@@ -137,7 +137,7 @@ def __init__(self):
         self.turned_defector = False
 
     def strategy(self, opponent):
-        if len(self.history) == 0:
+        if not self.history:
             return self.init_sequence[0]
         turn = len(self.history)
         if turn < len(self.init_sequence):
