code: def csv_sniffer_has_bug_last_field():
      """
      Checks if the bug https://bugs.python.org/issue30157 is unpatched.
      """
  
      # We only compute this once.
      has_bug = getattr(csv_sniffer_has_bug_last_field, "has_bug", None)
  
      if has_bug is None:
          dialect = csv.Sniffer().sniff("3, 'a'")
          csv_sniffer_has_bug_last_field.has_bug = (
              dialect.quotechar != "'"
          )
          has_bug = csv_sniffer_has_bug_last_field.has_bug
  
      return has_bug
  
imports: import re
  import datetime
  import numpy
  import csv
  import ctypes
label_desc: Use image node_id 2 for calling a global function with example usage: csv_sniffer_has_bug_last_field() and returns: has_bug