code: def test_pdquantiles():
      np.random.seed(42)
      sin = mkts((120,)).iloc[:, 0]
      _test_probplot(sin, pd_quantiles, "quantiles", 0, 0, 1)
  
      sin[4:6] = np.nan
      _test_probplot(sin, pd_quantiles, "quantiles", 0, 0, 1)
  
imports: import pytest
  from tests.unit.profile.base import *
  from tslumen.profile.distribution import binned, pd_quantiles, pd_percentiles
label_desc: Use image node_id 4 for calling a global function with example usage: test_pdquantiles() without return types