class_docstr: For displaying scale-invariant arrows.
  For arrows pointing to a location on a curve, see CurveArrow
class_docstr_tok: ["For","displaying","scale-invariant","arrows",".","For","arrows","pointing","to","a","location","on","a","curve",",","see","CurveArrow"]
code: def paint(self, p, *args):
      p.setRenderHint(QtGui.QPainter.RenderHint.Antialiasing)
      super().paint(p, *args)
  
file_path: pyqtgraph/pyqtgraph/graphicsItems/ArrowItem.py
imports: from math import hypot
  from ..None import functions
  from ..Qt import QtGui, QtWidgets
label_desc: Use image node_id 3 for calling the ArrowItem obj's underlying member method code with example usage: obj.paint(p) without return types