code: def __array__(self):
      return np.asarray(self.magnitude)
  
imports: from datetime import datetime, timezone, timedelta
  import platform
  from unittest.mock import MagicMock
  import matplotlib.pyplot
  from matplotlib.testing.decorators import check_figures_equal, image_comparison
  import matplotlib.units
  from matplotlib.category import UnitData
  import numpy
  import pytest
label_desc: Use image node_id 6 for calling the Quantity obj's underlying member method code with example usage: obj.__array__() and returns: np