docs: def askopenfilename(**kwargs):
      """Return file name(s) from Tkinter's file open dialog."""
      try:
          from Tkinter import Tk
          import tkFileDialog as filedialog
      except ImportError:
          from tkinter import Tk, filedialog
      root = Tk()
      root.withdraw()
      root.update()
      filenames = filedialog.askopenfilename(**kwargs)
      root.destroy()
      return filenames