code: def is_edit_valid(edit):
      text = edit.text()
      state = edit.validator().validate(text, 0)[0]
      return state == QtGui.QDoubleValidator.State.Acceptable
  
imports: from ast import literal_eval
  import copy
  import datetime
  import logging
  from numbers import Integral, Real
  from matplotlib import _api, colors
  from matplotlib.backends.qt_compat import _to_int, QtGui, QtWidgets, QtCore
label_desc: Use image node_id 5 for calling a global function with example usage: is_edit_valid(edit) and returns: unknown