code: def mode(arr):
      """Return the mode, i.e. most common value, of NumPy array <arr>"""
      uniques, counts = np.unique(arr, return_counts=True)
      return uniques[np.argmax(counts)]
  
imports: import xml.etree.ElementTree
  from collections import OrderedDict
  import json
  import struct
  import imghdr
  import numpy
  from .geom import pt, rect
label_desc: Use image node_id 14 for calling a global function with example usage: mode(arr) and returns: uniques