add super call to Model and remove self.schedule (#2334)

* Update model.py

* test and benchmark fixes

benchmarks/BoltzmannWealth/boltzmann_wealth.py

@@ -40,7 +40,7 @@ def __init__(self, seed=None, n=100, width=10, height=10):
             width: the width of the grid
             height: the height of the grid
         """
-        super().__init__(seed)
+        super().__init__(seed=seed)
         self.num_agents = n
         self.grid = mesa.space.MultiGrid(width, height, True)
         self.datacollector = mesa.DataCollector(

mesa/model.py

@@ -48,8 +48,8 @@ def __init__(self, *args: Any, seed: float | None = None, **kwargs: Any) -> None
             seed: the seed for the random number generator
             kwargs: keyword arguments to pass onto super
         """
+        super().__init__(*args, **kwargs)
         self.running = True
-        self.schedule = None
         self.steps: int = 0
 
         self._setup_agent_registration()

tests/test_model.py

@@ -8,7 +8,6 @@ def test_model_set_up():
     """Test Model initialization."""
     model = Model()
     assert model.running is True
-    assert model.schedule is None
     assert model.steps == 0
     model.step()
     assert model.steps == 1