code: def calc_recall(TP, FN):
      try:
          return TP / float(FN + TP)
      except ZeroDivisionError:
          return 0.0
  
imports: import os
  import copy
  from functools import partial
  from collections import defaultdict, OrderedDict
  import numpy
  from sklearn.metrics import confusion_matrix
  from tensorflow.python.platform import gfile
  from tensorflow.python.summary import summary_iterator
  import tabulate
  from finetune.encoding.input_encoder import get_spacy
label_desc: Use image node_id 5 for calling a global function with example usage: calc_recall(TP, FN) and returns: unknown, int