class_docstr: An abstract asynchronous, vectorized environment.
docstr: Reset all the environments and return an array of
  observations, or a tuple of observation arrays.
  If step_async is still doing work, that work will
  be cancelled and step_wait() should not be called
  until step_async() is invoked again.
docstr_tok: ["Reset","all","the","environments","and","return","an","array","of","observations",",","or","a","tuple","of","observation","arrays",".","If","step_async","is","still","doing","work",",","that","work","will","be","cancelled","and","step_wait","(",")","should","not","be","called","until","step_async","(",")","is","invoked","again","."]
code: def reset(self):
      """
      Reset all the environments and return an array of
      observations, or a tuple of observation arrays.
      If step_async is still doing work, that work will
      be cancelled and step_wait() should not be called
      until step_async() is invoked again.
      """
      pass
  
file_path: keras-rl/rl/common/vec_env/__init__.py
label_desc: Use image node_id 2 for calling the VecEnv obj's underlying member method code with example usage: obj.reset() without return types