[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

mesa/experimental/mesa_signals/mesa_signal.py

@@ -150,7 +150,9 @@ def __set__(self, instance: HasObservables, value: Computed):  # noqa D103
         setattr(instance, self.private_name, value)
         value.name = self.public_name
         value.owner = instance
-        getattr(instance, self.public_name)  # force evaluation of the computed to build the dependency graph
+        getattr(
+            instance, self.public_name
+        )  # force evaluation of the computed to build the dependency graph
 
 
 class Computed:

tests/test_mesa_signals.py

@@ -248,7 +248,7 @@ class MyAgent(Agent, HasObservables):
         def __init__(self, model, value):
             super().__init__(model)
             self.some_other_attribute = value
-            self.some_attribute = Computed(lambda x: x.some_other_attribute*2, self)
+            self.some_attribute = Computed(lambda x: x.some_other_attribute * 2, self)
 
     model = Model(seed=42)
     agent = MyAgent(model, 10)
@@ -262,7 +262,9 @@ def __init__(self, model, value):
 
     handler = Mock()
     agent.observe("some_attribute", "change", handler)
-    assert agent.some_attribute == 18  # this forces a re-evaluation of the value of computed
+    assert (
+        agent.some_attribute == 18
+    )  # this forces a re-evaluation of the value of computed
     handler.assert_called_once()  # and so, our change handler should be called
     agent.unobserve("some_attribute", "change", handler)
 
@@ -271,6 +273,7 @@ def computed_func(agent):
         # this creates a cyclical dependency
         # our computed is dependent on o1, but also modifies o1
         agent.o1 = agent.o1 - 1
+
     class MyAgent(Agent, HasObservables):
         c1 = Computable()
         o1 = Observable()