class_docstr: An observer that collects and accumulates scalars from env's info.
class_docstr_tok: ["An","observer","that","collects","and","accumulates","scalars","from","env","'s","info","."]
docstr: Records one environment step.
docstr_tok: ["Records","one","environment","step","."]
code: def observe(
      self,
      env: dm_env.Environment,
      timestep: dm_env.TimeStep,
      action: np.ndarray,
  ) -> None:
      """Records one environment step."""
      self._accumulate_metrics(env)
  
file_path: acme/acme/utils/observers/env_info.py
imports: from typing import Dict
  from acme.utils.observers import base
  import dm_env
  import numpy
label_desc: Use image node_id 4 for calling the EnvInfoObserver obj's underlying member method code with example usage: obj.observe(env, timestep, action) without return types