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

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

gis/geo_schelling_experimental/app.py

@@ -14,6 +14,7 @@ def __init__(self):
     def render(self, model):
         return "Happy agents: " + str(model.happy)
 
+
 def schelling_draw(agent):
     """
     Portrayal Method for canvas