class_docstr: A simply 2D grid environment.
  
  | 'S' : starting point
  | 'F' or '.': free space
  | 'W' or 'x': wall
  | 'H' or 'o': hole (terminates episode)
  | 'G' : goal
class_docstr_tok: ["A","simply","2D","grid","environment",".","|","'S","'",":","starting","point","|","'","F","'","or","'",".","'",":","free","space","|","'","W","'","or","'","x","'",":","wall","|","'","H","'","or","'","o","'",":","hole","(","terminates","episode",")","|","'","G","'",":","goal"]
docstr: list: A list of string representing the supported render modes.
docstr_tok: ["list",":","A","list","of","string","representing","the","supported","render","modes","."]
code: def render_modes(self):
      """list: A list of string representing the supported render modes."""
      return []
  
file_path: garage/src/garage/envs/grid_world_env.py
imports: import akro
  import numpy
  from garage import Environment, EnvSpec, EnvStep, StepType
label_desc: Use image node_id 5 for calling the GridWorldEnv obj's underlying member method code with example usage: obj.render_modes() and returns: list