[rllib] Forgot to pass ioctx to child json readers (#11839)

* fix ioctx

* fix

rllib/agents/dreamer/dreamer.py

@@ -199,7 +199,7 @@ class DreamerIteration:
         metrics = _get_shared_metrics()
         metrics.info[LEARNER_INFO] = fetches
         metrics.counters[STEPS_SAMPLED_COUNTER] = self.episode_buffer.timesteps
-        metrics.counter[STEPS_SAMPLED_COUNTER] *= self.repeat
+        metrics.counters[STEPS_SAMPLED_COUNTER] *= self.repeat
         res = collect_metrics(local_worker=self.worker)
         res["info"] = metrics.info
         res["info"].update(metrics.counters)

rllib/offline/mixed_input.py

@@ -37,7 +37,7 @@ class MixedInput(InputReader):
             if k == "sampler":
                 self.choices.append(ioctx.default_sampler_input())
             else:
-                self.choices.append(JsonReader(k))
+                self.choices.append(JsonReader(k, ioctx))
             self.p.append(v)
 
     @override(InputReader)