class_docstr: Extends QTableWidget with some useful functions for automatic data handling
  and copy / export context menu. Can automatically format and display a variety
  of data types (see :func:`setData() <pyqtgraph.TableWidget.setData>` for more
  information.
code: def keyPressEvent(self, ev):
      if ev.matches(QtGui.QKeySequence.StandardKey.Copy):
          ev.accept()
          self.copySel()
      else:
          super().keyPressEvent(ev)
  
imports: import numpy
  from ..Qt import QtCore, QtGui, QtWidgets
label_desc: Use image node_id 23 for calling the TableWidget obj's underlying member method code with example usage: obj.keyPressEvent(ev) without return types