Merge pull request #836 from janga1997/typeHint-alternator

Add type hints to alternator
Axelrod-Python · Feb 1, 2017 · 2526253 · 2526253
2 parents 747c0c0 + 735f0e3
commit 2526253
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/axelrod/strategies/alternator.py b/axelrod/strategies/alternator.py
@@ -1,4 +1,5 @@
 from axelrod import Actions, Player
+from axelrod.actions import Action
 
 C, D = Actions.C, Actions.D
 
@@ -17,7 +18,7 @@ class Alternator(Player):
         'manipulates_state': False
     }
 
-    def strategy(self, opponent):
+    def strategy(self, opponent: Player) -> Action:
         if len(self.history) == 0:
             return C
         if self.history[-1] == C: