class_docstr: Represents the history of a single metric.
class_docstr_tok: ["Represents","the","history","of","a","single","metric","."]
code: def formatted_steps(self):
      return [format_step(s) for s in self.steps]
  
imports: import math
  import random
  import io
  import itertools
  import time
  import datetime
  import pickle
  import numpy
  import matplotlib.pyplot
  import matplotlib
  from .None import utils
label_desc: Use image node_id 2 for calling the Metric obj's underlying member method code with example usage: obj.formatted_steps() and returns: unknown