Merge branch 'main' into unit_testing

marl_factory_grid/environment/factory.py

@@ -142,6 +142,7 @@ class Factory(gym.Env):
 
         # All is set up, trigger entity spawn with variable pos
         self.state.rules.do_all_reset(self.state)
+        self.state.rules.do_all_post_spawn_reset(self.state)
 
         # Build initial observations for all agents
         self.obs_builder.reset(self.state)
@@ -218,8 +219,7 @@ class Factory(gym.Env):
         # Combine Info dicts into a global one
         combined_info_dict = defaultdict(lambda: 0.0)
         for result in chain(tick_results, done_check_results):
-            if not result:
-                raise ValueError()
+            assert result, 'Something returned None...'
             if result.reward is not None:
                 try:
                     rewards[result.entity.name] += result.reward