class_docstr: Simple PushButton extension that paints a QPainterPath centered on its face.
      
code: def setPen(self, *args, **kwargs):
      self.pen = fn.mkPen(*args, **kwargs)
  
file_path: pyqtgraph/pyqtgraph/widgets/PathButton.py
imports: from ..None import functions
  from ..Qt import QtCore, QtGui, QtWidgets
label_desc: Use image node_id 3 for calling the PathButton obj's underlying member method code with example usage: obj.setPen() without return types