Fix AttributeError in 'mujoco_py.cymj.PyMjData'

Fix error: `AttributeError: attribute 'qpos' of 'mujoco_py.cymj.PyMjData' objects is not writable` when running `reset_mujoco()` on `MujocoEnv`. See https://github.com/rlworkgroup/garage/issues/452
henry-zhang-bohan · Dec 22, 2018 · e001cd8 · e001cd8
1 parent 33349d9
commit e001cd8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/garage/envs/mujoco/mujoco_env.py b/garage/envs/mujoco/mujoco_env.py
@@ -120,7 +120,7 @@ def reset_mujoco(self, init_state=None):
                 datum = getattr(self.sim.data, datum_name)
                 datum_dim = datum.shape[0]
                 datum = init_state[start:start + datum_dim]
-                setattr(self.sim.data, datum_name, datum)
+                exec('self.sim.data.%s[:] = datum' % datum_name)
                 start += datum_dim
 
     @overrides