code: def _reset_epoch_for_tutorial():
      """
      Users (and downstream libraries) should not use the private method of
      resetting the epoch.
      """
      mdates._reset_epoch_test_example()
  
imports: import datetime
  import matplotlib.pyplot
  import numpy
  import matplotlib.dates
label_desc: Use image node_id 1 for calling a global function with example usage: _reset_epoch_for_tutorial() without return types