Change variable name to snake case

Author: mgemaakbar

mesa/examples/advanced/wolf_sheep/model.py

@@ -109,13 +109,13 @@ def __init__(
 
         self.grid.add_property_layer(PropertyLayer.from_data("cliff", cliff_arr))
 
-        possibleCells = []
+        possible_cells = []
         for cell in self.grid.all_cells.cells:
             if (
                 cell.coordinate[0],
                 cell.coordinate[1],
             ) not in cliff_coord:  # so we don't create wolf or sheep on cliff cells
-                possibleCells.append(cell)
+                possible_cells.append(cell)
 
         # Create sheep:
         Sheep.create_agents(
@@ -124,7 +124,7 @@ def __init__(
             energy=self.rng.random((initial_sheep,)) * 2 * sheep_gain_from_food,
             p_reproduce=sheep_reproduce,
             energy_from_food=sheep_gain_from_food,
-            cell=self.random.choices(possibleCells, k=initial_sheep),
+            cell=self.random.choices(possible_cells, k=initial_sheep),
         )
         # Create Wolves:
         Wolf.create_agents(
@@ -133,7 +133,7 @@ def __init__(
             energy=self.rng.random((initial_wolves,)) * 2 * wolf_gain_from_food,
             p_reproduce=wolf_reproduce,
             energy_from_food=wolf_gain_from_food,
-            cell=self.random.choices(possibleCells, k=initial_wolves),
+            cell=self.random.choices(possible_cells, k=initial_wolves),
         )
 
         # Create grass patches if enabled