Revert "fix: Use new API to loop over agents_by_type"

This reverts commit ef2b5e7.

Author: rht

examples/sugarscape_g1mt/sugarscape_g1mt/model.py

@@ -77,10 +77,13 @@ def __init__(
             model_reporters={
                 "Trader": lambda m: m.schedule.get_type_count(Trader),
                 "Trade Volume": lambda m: sum(
-                    len(a.trade_partners) for a in m.schedule.agents_by_type[Trader]
+                    len(a.trade_partners)
+                    for a in m.schedule.agents_by_type[Trader].values()
                 ),
                 "Price": lambda m: geometric_mean(
-                    flatten([a.prices for a in m.schedule.agents_by_type[Trader]])
+                    flatten(
+                        [a.prices for a in m.schedule.agents_by_type[Trader].values()]
+                    )
                 ),
             },
             agent_reporters={"Trade Network": lambda a: get_trade(a)},
@@ -140,7 +143,7 @@ def randomize_traders(self):
         puts traders in randomized list for step function
         """
 
-        traders_shuffle = list(self.schedule.agents_by_type[Trader])
+        traders_shuffle = list(self.schedule.agents_by_type[Trader].values())
         self.random.shuffle(traders_shuffle)
 
         return traders_shuffle
@@ -151,7 +154,7 @@ def step(self):
         and then randomly activates traders
         """
         # step Resource agents
-        for resource in self.schedule.agents_by_type[Resource]:
+        for resource in self.schedule.agents_by_type[Resource].values():
             resource.step()
 
         # step trader agents

examples/wolf_sheep/wolf_sheep/scheduler.py

@@ -25,7 +25,7 @@ def get_type_count(
         if type_class not in self.agents_by_type:
             return 0
         count = 0
-        for agent in self.agents_by_type[type_class]:
+        for agent in self.agents_by_type[type_class].values():
             if filter_func is None or filter_func(agent):
                 count += 1
         return count