code: def issue_insecure_write_warning():
      def format_warning(msg, *args, **kwargs):
          return str(msg) + "\n"
  
      warnings.formatwarning = format_warning
      warnings.warn(
          "WARNING: Insecure writes have been enabled via environment variable "
          "'JUPYTER_ALLOW_INSECURE_WRITES'! If this is not intended, remove the "
          "variable or set its value to 'False'."
      )
  
imports: import os
  import sys
  import stat
  import errno
  import tempfile
  import warnings
  from ipython_genutils import py3compat
  from contextlib import contextmanager
  from distutils.util import strtobool
  from ipython_genutils import py3compat
label_desc: Use image node_id 15 for calling a global function with example usage: issue_insecure_write_warning() and returns: unknown