class_docstr: Logger for values that remain constant throughout the experiment.
  
  This logger is used to log additional values e.g. level_name or
  hyperparameters that do not change in an experiment. Having these values
  allows to group or facet plots when analysing data post-experiment.
class_docstr_tok: ["Logger","for","values","that","remain","constant","throughout","the","experiment",".","This","logger","is","used","to","log","additional","values","e.g",".","level_name","or","hyperparameters","that","do","not","change","in","an","experiment",".","Having","these","values","allows","to","group","or","facet","plots","when","analysing","data","post-experiment","."]
code: def close(self):
      self._to.close()
  
imports: from acme.utils.loggers import base
label_desc: Use image node_id 3 for calling the ConstantLogger obj's underlying member method code with example usage: obj.close() without return types