code: def autorange(self, seconds_per_increment=1 / 1024, callback=None):
      timer = FakeTimer(seconds_per_increment=seconds_per_increment)
      t = timeit.Timer(
          stmt=self.fake_stmt, setup=self.fake_setup, timer=timer
      )
      return t.autorange(callback)
  
imports: import timeit
  import unittest
  import sys
  import io
  from textwrap import dedent
  from test.support import captured_stdout
  from test.support import captured_stderr
label_desc: Use image node_id 46 for calling the TestTimeit obj's underlying member method code with example usage: obj.autorange(seconds_per_increment, callback) and returns: t