code: def test_Point_length(initArgs, length):
      point = pg.Point(initArgs)
      assert point.length() == length
  
file_path: pyqtgraph/tests/test_Point.py
imports: import math
  import pytest
  import pyqtgraph
  from pyqtgraph.Qt import QtCore
label_desc: Use image node_id 3 for calling a global function with example usage: test_Point_length(initArgs, length) without return types