code: def loop_wx(kernel):
      """Start a kernel with wx event loop support."""
  
      import wx
  
      # Wx uses milliseconds
      poll_interval = int(1000 * kernel._poll_interval)
  
      def wake():
          """wake from wx"""
          if kernel.shell_stream.flush(limit=1):
              kernel.app.ExitMainLoop()
              return
  
      # We have to put the wx.Timer in a wx.Frame for it to fire properly.
      # We make the Frame hidden when we create it in the main app below.
      class TimerFrame(wx.Frame):  # type:ignore[misc]
          def __init__(self, func):
              wx.Frame.__init__(self, None, -1)
              self.timer = wx.Timer(self)
              # Units for the timer are in milliseconds
              self.timer.Start(poll_interval)
              self.Bind(wx.EVT_TIMER, self.on_timer)
              self.func = func
  
          def on_timer(self, event):
              self.func()
  
      # We need a custom wx.App to create our Frame subclass that has the
      # wx.Timer to defer back to the tornado event loop.
      class IPWxApp(wx.App):  # type:ignore[misc]
          def OnInit(self):
              self.frame = TimerFrame(wake)
              self.frame.Show(False)
              return True
  
      # The redirect=False here makes sure that wx doesn't replace
      # sys.stdout/stderr with its own classes.
      if not (
          getattr(kernel, "app", None)
          and isinstance(kernel.app, wx.App)
      ):
          kernel.app = IPWxApp(redirect=False)
  
      # The import of wx on Linux sets the handler for signal.SIGINT
      # to 0.  This is a bug in wx or gtk.  We fix by just setting it
      # back to the Python default.
      import signal
  
      if not callable(signal.getsignal(signal.SIGINT)):
          signal.signal(signal.SIGINT, signal.default_int_handler)
  
      _loop_wx(kernel.app)
  
imports: import os
  import platform
  import sys
  from functools import partial
  import zmq
  from packaging.version import Version
  from traitlets.config.application import Application
label_desc: Use image node_id 7 for calling a global function with example usage: loop_wx(kernel) and returns: True