Run black.

Author: drvinceknight

axelrod/strategies/darwin.py

@@ -76,12 +76,12 @@ def strategy(self, opponent: Player) -> Action:
         return current
 
     def reset(self):
-        """ Reset instance properties. """
+        """Reset instance properties."""
         super().reset()
         Darwin.genome[0] = C  # Ensure initial Cooperate
 
     def mutate(self, outcome: tuple, trial: int) -> None:
-        """ Select response according to outcome. """
+        """Select response according to outcome."""
         if outcome[0] < 3 and (len(Darwin.genome) >= trial):
             self.response = D if Darwin.genome[trial - 1] == C else C
 

axelrod/tests/strategies/test_meta.py

@@ -633,7 +633,9 @@ def classifier_test(self, expected_class_classifier=None):
 
     def test_strategy(self):
         actions = [(C, C), (C, D), (D, C), (C, D), (D, C)]
-        self.versus_test(opponent=axl.Alternator(), expected_actions=actions, seed=11)
+        self.versus_test(
+            opponent=axl.Alternator(), expected_actions=actions, seed=11
+        )
 
 
 class TestNMWEStochastic(TestMetaPlayer):