fix : bug update thermal limit

Author: yassine abdou

grid2op/Environment/environment.py

@@ -962,7 +962,7 @@ def reset_grid(self,
         # self.backend.assert_grid_correct()
 
         if self._thermal_limit_a is not None:
-            self.backend.set_thermal_limit(self._thermal_limit_a.astype(dt_float))
+            self.ts_manager.limits = self._thermal_limit_a.astype(dt_float)
 
         self._backend_action = self._backend_action_class()
         self.nb_time_step = -1  # to have init obs at step 1 (and to prevent 'setting to proper state' "action" to be illegal)

grid2op/Episode/EpisodeReboot.py

@@ -182,6 +182,8 @@ def load(self, backend, agent_path=None, name=None, data=None, env_kwargs={}):
             del env_kwargs["opponent_class"]
         if "name" in env_kwargs:
             del env_kwargs["name"]
+        if "ts_manager" in env_kwargs:
+            del env_kwargs["ts_manager"]
 
         seed = None
         with open(os.path.join(agent_path, name, "episode_meta.json")) as f: