code: def test_barbs_pivot():
      x = np.linspace(-5, 5, 5)
      X, Y = np.meshgrid(x, x)
      U, V = 12 * X, 12 * Y
      fig, ax = plt.subplots()
      ax.barbs(
          X,
          Y,
          U,
          V,
          fill_empty=True,
          rounding=False,
          pivot=1.7,
          sizes=dict(emptybarb=0.25, spacing=0.2, height=0.3),
      )
      ax.scatter(X, Y, s=49, c="black")
  
imports: import platform
  import sys
  import numpy
  import pytest
  from matplotlib import pyplot
  from matplotlib.testing.decorators import image_comparison
label_desc: Use image node_id 15 for calling a global function with example usage: test_barbs_pivot() without return types