class_docstr: WidgetParameterItem subclass providing comboBox that lets the user select from a list of options.
class_docstr_tok: ["WidgetParameterItem","subclass","providing","comboBox","that","lets","the","user","select","from","a","list","of","options","."]
code: def updateDisplayLabel(self, value=None):
      if value is None:
          value = self.widget.currentText()
      super().updateDisplayLabel(value)
  
file_path: pyqtgraph/pyqtgraph/parametertree/parameterTypes/list.py
imports: import warnings
  from collections import OrderedDict
  from ...None import functions
  from ...Qt import QtWidgets
  from ..Parameter import Parameter
  from .basetypes import WidgetParameterItem
label_desc: Use image node_id 6 for calling the ListParameterItem obj's underlying member method code with example usage: obj.updateDisplayLabel(value) without return types